* [freeimage] improve compatibility with other ports, using typedefs identical to other headers to avoid errors
* [libwebp] fixes for non-win32 systems
* [giflib] revert again #5578
* [freeglut] add missing wrapper for linux
* [giflib]fix compile error in x64-uwp
* [giflib]Modify the location of the CMakelists.txt changes in the patch to avoid patching failures.
* [giflib]Modify cmakelists.txt directly and delete the corresponding changes in the patch
* [giflib] Modernize. Avoid use of WINDOWS_EXPORT_ALL_SYMBOLS.