[FFmpeg-cvslog] build: Add pthreads to list of avutil extralibs

[Diego Biurrun]

ffmpeg | branch: master | Diego Biurrun <diego at biurrun.de> | Wed Mar  1 12:02:11 2017 +0100| [5ff3b5cafcc685b6936d16602b0f80aa09a95870] | committer: Diego Biurrun

build: Add pthreads to list of avutil extralibs

libavutil uses pthreads in the buffer code (abstracted through a header).

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=5ff3b5cafcc685b6936d16602b0f80aa09a95870
---

 configure | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure b/configure
index cdeae9a7b3..7e788befc9 100755
--- a/configure
+++ b/configure
@@ -2524,7 +2524,7 @@ avdevice_extralibs="libm_extralibs"
 avformat_extralibs="libm_extralibs"
 avfilter_extralibs="pthreads_extralibs libm_extralibs"
 avresample_extralibs="libm_extralibs"
-avutil_extralibs="clock_gettime_extralibs cuda_extralibs libm_extralibs libmfx_extralibs nanosleep_extralibs user32_extralibs vaapi_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs wincrypt_extralibs"
+avutil_extralibs="clock_gettime_extralibs cuda_extralibs libm_extralibs libmfx_extralibs nanosleep_extralibs pthreads_extralibs user32_extralibs vaapi_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs wincrypt_extralibs"
 swscale_extralibs="libm_extralibs"
 
 # programs