Add MSVC SDL 1.2.15 Revision 8040 import libs
Merge branch 'master' of https://github.com/ioquake/ioq3 into mono

Conflicts:
	code/libs/win32/SDL.lib
	code/libs/win32/SDLmain.lib
	code/libs/win64/SDL.lib
	code/libs/win64/SDLmain.lib