Fixed bug #68504 --with-libmbfl configure option not present on Windows
refactored the mbstring config.w32
Merge branch 'PHP-5.5' into PHP-5.6

* PHP-5.5:
  refactored the mbstring config.w32
  Fixed bug #68504 --with-libmbfl configure option not present on Windows
updated NEWS
Merge branch 'PHP-5.6'

* PHP-5.6:
  updated NEWS
  refactored the mbstring config.w32
  Fixed bug #68504 --with-libmbfl configure option not present on Windows