fix vfw-related things, patches by RC and Compn

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@18434 b3059339-0415-0410-9bf9-f77b7e298cf2

DOCS/man/en/mplayer.1

@@ -9266,7 +9266,7 @@ frame will be encoded.
 .RE
 .
 .
-.SS xvfw (\-xvfwopts)
+.SS vfw (\-xvfwopts)
 .
 Encoding with Video for Windows codecs is mostly obsolete unless you wish
 to encode to some obscure fringe codec.

cfg-mencoder.h

@@ -88,7 +88,7 @@ m_option_t ovc_conf[]={
 	"   lavc     - libavcodec codecs - best quality!\n"
 #endif
 #ifdef USE_WIN32DLL
-	"   vfw      - VfW DLLs, currently only AVID is supported.\n"
+	"   vfw      - VfW DLLs, read DOCS/HTML/en/encoding-guide.html.\n"
 	"   qtvideo  - QuickTime DLLs, currently only SVQ1/3 are supported.\n"
 #endif
 #ifdef HAVE_LIBDV095