Update for FFmpeg 2.3.3

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Changelog

 Entries are sorted chronologically from oldest to youngest within each release,
 releases are sorted from youngest to oldest.
 
+version 2.3.3:
+- h264: fix grayscale only decoding with weighted prediction
+- mjpegdec: support AV_PIX_FMT_YUV420P16 with upscale_h
+- proresenc_ks: fix buffer overflow
+- matroskadec: fix crash
+
 version 2.3.2:
 - snow: fix null pointer dereference
 - huffyucdec: fix overread

RELEASE

-2.3.2
+2.3.3

doc/Doxyfile

@@ -31,7 +31,7 @@ PROJECT_NAME           = FFmpeg
 # This could be handy for archiving the generated documentation or
 # if some version control system is used.
 
-PROJECT_NUMBER         = 2.3.2
+PROJECT_NUMBER         = 2.3.3
 
 # With the PROJECT_LOGO tag one can specify a logo or icon that is included
 # in the documentation. The maximum height of the logo should not exceed 55