add speex 1.2beta1 to in tree libs

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@3759 d0543943-73ff-0310-b7d9-9358b9ac24b2

libs/speex/speex.pc.in

@@ -0,0 +1,14 @@
+# libspeex pkg-config source file
+
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: speex
+Description: Speex is an audio codec tuned for speech
+Version: @SPEEX_VERSION@
+Requires:
+Conflicts:
+Libs: -L${libdir} -lspeex
+Cflags: -I${includedir}