Fix compilation of os_support.c for MinGW with --disable-network Patch by Tom Harper <d.thomas.harper <at> gmail.com>
Fix compilation of os_support.c for MinGW with --disable-network
Patch by Tom Harper <d.thomas.harper <at> gmail.com>

git-svn-id: a4d7c1866f8397a4106e0b57fc4fbf792bbdaaaf@11200 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

prajnashi/ffmpeg,prajnashi/ffmpeg,prajnashi/ffmpeg,prajnashi/ffmpeg