Update NEWS
Fixed compiler warning

I moved the constant to the enum in order to avoid this:
ext/pgsql/pgsql.c:3491: warning: comparison is always false due to limited range of data type

Works in gcc 4.6, but I'm not sure about other compilers.
Fixed other compiler warnings in PDO_PGSQL
Fixed compiler warnings in ext/pgsql
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  Fixed compiler warnings in ext/pgsql
  Fixed other compiler warnings in PDO_PGSQL
  Fixed compiler warning
Merge branch 'PHP-5.5'

* PHP-5.5:
  Fixed compiler warnings in ext/pgsql
  Fixed other compiler warnings in PDO_PGSQL
  Fixed compiler warning
  Update NEWS

Conflicts:
	ext/pdo_pgsql/pgsql_driver.c
Fix return types of password API helper functions.

This fixes issues that were found during static analysis by cjones where failure was impossible to detect due to return type mangling (casting an int to a char, then comparing to an int).
Merge branch 'PHP-5.5'

* PHP-5.5:
  Fix return types of password API helper functions.
Fix pointer sign warning showing up in EVERY build
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  Fix pointer sign warning showing up in EVERY build
Merge branch 'PHP-5.5'

* PHP-5.5:
  Fix pointer sign warning showing up in EVERY build
Reduce compilation noise during normal compilation:
    php-5.5/ext/session/session.c:836: warning: unused variable ‘struc’
    php-5.5/ext/session/session.c:836: warning: unused variable ‘num_key’
    php-5.5/ext/session/session.c:836: warning: unused variable ‘key_length’
    php-5.5/ext/session/session.c:836: warning: unused variable ‘key’
    php-5.5/ext/session/session.c:835: warning: unused variable ‘key_type’
    php-5.5/ext/session/session.c:834: warning: unused variable ‘_ht’
    php-5.5/ext/session/session.c:857: warning: unused variable ‘has_value’
    php-5.5/ext/session/session.c:856: warning: unused variable ‘namelen’
    php-5.5/ext/session/session.c:853: warning: unused variable ‘name’
    php-5.5/ext/session/session.c:852: warning: unused variable ‘p’

    php-5.5/ext/session/mod_user.c:191: warning: unused variable ‘ret’
Merge branch 'PHP-5.5'

* PHP-5.5:
  Reduce compilation noise during normal compilation:     php-5.5/ext/session/session.c:836: warning: unused variable ‘struc’     php-5.5/ext/session/session.c:836: warning: unused variable ‘num_key’     php-5.5/ext/session/session.c:836: warning: unused variable ‘key_length’     php-5.5/ext/session/session.c:836: warning: unused variable ‘key’     php-5.5/ext/session/session.c:835: warning: unused variable ‘key_type’     php-5.5/ext/session/session.c:834: warning: unused variable ‘_ht’     php-5.5/ext/session/session.c:857: warning: unused variable ‘has_value’     php-5.5/ext/session/session.c:856: warning: unused variable ‘namelen’     php-5.5/ext/session/session.c:853: warning: unused variable ‘name’     php-5.5/ext/session/session.c:852: warning: unused variable ‘p’
Suppress compliation warning "warning: passing argument 1 of ‘_efree’ discards qualifiers from pointer target type"
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  Suppress compliation warning "warning: passing argument 1 of ‘_efree’ discards qualifiers from pointer target type"
Merge branch 'PHP-5.5'

* PHP-5.5:
  Suppress compliation warning "warning: passing argument 1 of ‘_efree’ discards qualifiers from pointer target type"
Merge branch 'PHP-5.4' of https://git.php.net/repository/php-src into PHP-5.4

* 'PHP-5.4' of https://git.php.net/repository/php-src:
  Suppress compliation warning "warning: passing argument 1 of ‘_efree’ discards qualifiers from pointer target type"
Merge branch 'PHP-5.5' of https://git.php.net/repository/php-src into PHP-5.5

* 'PHP-5.5' of https://git.php.net/repository/php-src:
  Suppress compliation warning "warning: passing argument 1 of ‘_efree’ discards qualifiers from pointer target type"
Merge branch 'master' of https://git.php.net/repository/php-src

* 'master' of https://git.php.net/repository/php-src:
  Suppress compliation warning "warning: passing argument 1 of ‘_efree’ discards qualifiers from pointer target type"
Suppress compiler warning "warning: variable ‘retcount’ set but not used [-Wunused-but-set-variable]"