Merge pull request #8 from nachume/build-x86

Add  shell script for win32x86 build. use msvc compiler on the MinGW too...
FIX when ppsspp build. LNK2001 __imp__avpriv_snprintf issue.
reference https://ffmpeg.org/trac/ffmpeg/ticket/2049

FIX find command did not work.
CHANGE build-directory. ./x86 -> ./Windows/x86
ADD commnad. rename *.a -> *.lib and copy inttypes.h in the build-directory.
ADD variable for switching to shared/static