Replace every usage of -lvfw32 with what is particularly necessary for that case: Avisynth -> -lavifil32 VFW Cap -> -lavicap32 Patch by kemuri <kemuri9 at gmail dot com>

Originally committed as revision 21410 to svn://svn.ffmpeg.org/ffmpeg/trunk
(cherry picked from commit a1b3c5a377)
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>

Conflicts:

	configure

configure

@@ -1132,7 +1132,7 @@ sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
 v4l_demuxer_deps="linux_videodev_h"
 v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
 vfwcap_demuxer_deps="capCreateCaptureWindow"
-vfwcap_demuxer_extralibs="-lvfw32"
+vfwcap_demuxer_extralibs="-lavicap32"
 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
 
@@ -2022,7 +2022,7 @@ EOF
 done
 
 # these are off by default, so fail if requested and not available
-enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
+enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
 enabled libamr_nb  && require  libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
 enabled libamr_wb  && require  libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
 enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
@@ -2149,7 +2149,7 @@ check_header linux/videodev.h
 check_header linux/videodev2.h
 check_header sys/videoio.h
 
-check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
+check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lavicap32
 
 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
 { check_header dev/bktr/ioctl_meteor.h &&