api/omdatabase.cc,include/xapian/database.h: Make overloaded forms of
Database::allterms_begin() and Database::allterms_end() use default
parameters instead.
xapian-headers.i: Add DB_RETRY_LOCK as a constant to wrap.
configure.ac: Define MINGW_HAS_SECURE_API under mingw to get
_putenv_s() declared in stdlib.h.
configure.ac: Define MINGW_HAS_SECURE_API under mingw to get
_putenv_s() declared in stdlib.h.
Tiny patch for performance and code cleanup
Add ChangeLog entry for previous commit.
Merge remote-tracking branch 'upstream/master' into pkgconfig