Host OpenVG building using GCC, without LLVM integration. Change hostbuild extension to avoid use of "lib" prefix on libraries, to allow other names to be used.

@ECHO OFF
mkdir build_vs2008_miniegl
cd build_vs2008_miniegl
cmake -DUSE_MINI_EGL:Bool=ON %* -G "Visual Studio 9 2008" ..
cd ..