Fix opening BDs from a local directly (and not a disc) with an external filter.
Fix: Incorrect display when toggling between elapsed and remaining time.

This issue was a side effect of 2dc6360fe050497eb78a3c25179a4c4f40af4d27.
Revert "actually disable C4995 and C4996 for udf.cpp"

This reverts commit 03ca3eff5fccbfe6bfc1583789d4fe91af8b1900.
build.bat, mpc-hc_setup.iss : add ICL13 support
use the _countof macro when it makes sense to do so
update ffmpeg (n0.8-18462-g0501d06)