Initialize variable to silence the warning: libavutil/pca.c:72: warning: ‘k’ may be used uninitialized in this function
Initialize variable to silence the warning:
libavutil/pca.c:72: warning: ‘k’ may be used uninitialized in this function


git-svn-id: a4d7c1866f8397a4106e0b57fc4fbf792bbdaaaf@15760 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

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