also patched for windows to ensure vsnprintf() null terminates the string.
git-svn-id: svn://svn.code.sf.net/p/quakespasm/code/trunk/quakespasm@1197 af15c1b1-3010-417e-b628-4374ebc0bcbd
Update .cbp and .vcproj file to refer to our copy of SDL/SDL2 rather than looking in C:\
git-svn-id: svn://svn.code.sf.net/p/quakespasm/code/trunk/quakespasm@1174 af15c1b1-3010-417e-b628-4374ebc0bcbd