gsdx ogl:
* fix shader compilation on Nvidia (broken on r5682)
* fix various memory leak thanks to Valgrind

Cmake: fix a minor typo


git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5688 96395faa-99c1-11dd-bbfe-3dabce05a288
pcsx2: gcc warning round 3
* various cast was overflowing
 - use unsigned integer for SSE mask
 - force SINGLE macro to use u32
* disable parenthesis warning, only a matter of coding style

Remains 2 wrong use of unsigned integer:
pcsx2/CDVD/InputIsoFile.cpp:96:21: warning: comparison of unsigned expression < 0 is always false [-Wtype-limits]
pcsx2/Memory.cpp:108:86: warning: narrowing conversion of ‘-1’ from ‘int’ to ‘vtlbHandler {aka unsigned int}’ inside { } is ill-formed in C++11 [-Wnarrowing]


git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5689 96395faa-99c1-11dd-bbfe-3dabce05a288
gsdx ogl: fix crash when pause/resume with EGL (opensource driver)


git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5690 96395faa-99c1-11dd-bbfe-3dabce05a288