pjsip configure.ac looks for wrong lib(av)device

[jengelh@xxxxxxx (Jan Engelhardt)]

pjsip uses the wrong pkgconfig name for libavdevice.

---
 aconfigure.ac |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Index: pjproject-2.4.5/aconfigure.ac
===================================================================
--- pjproject-2.4.5.orig/aconfigure.ac
+++ pjproject-2.4.5/aconfigure.ac
@@ -998,9 +998,9 @@ AC_ARG_ENABLE(ffmpeg,
 		if test "$PKG_CONFIG" != "none"; then
 			AC_MSG_CHECKING([ffmpeg packages])
 			av_pkg=""
-			if $PKG_CONFIG --exists libdevice; then
+			if $PKG_CONFIG --exists libavdevice; then
 				ac_ffmpeg_cflags="$ac_ffmpeg_cflags -DPJMEDIA_HAS_LIBAVDEVICE=1"
-				av_pkg="$av_pkg libdevice"
+				av_pkg="$av_pkg libavdevice"
 			fi
 			if $PKG_CONFIG --exists libavformat; then
 				ac_ffmpeg_cflags="$ac_ffmpeg_cflags -DPJMEDIA_HAS_LIBAVFORMAT=1"