Revert "actually disable C4995 and C4996 for udf.cpp"

This reverts commit 03ca3eff5fccbfe6bfc1583789d4fe91af8b1900.
update TreePropSheet from TortoiseSVN
fix warning
do while (0) (WIP)
initialize variables
reduce variable scope
remove unused var
version.sh: fix comment
update ffmpeg (n0.8-17953-g8ac8f04)
Work around a libavresample crash
n0.8-17993-g918b411
always use LF for shell scripts