build: Add GUPnP libraries to Libs.private in pkg-config file

They’re private dependencies which are needed on the linker command line when
linking statically against libnice.

https://bugs.freedesktop.org/show_bug.cgi?id=70965

diff --git a/nice/nice.pc.in b/nice/nice.pc.in
index 2a8800f..f0000fa 100644 (file)
--- a/nice/nice.pc.in
+++ b/nice/nice.pc.in
@@ -8,5 +8,6 @@ Description: ICE library
 Requires: glib-2.0 >= 2.10.0
 Version: @VERSION@
 Libs: -L${libdir} -lnice @GLIB_LIBS@
+Libs.private: @GUPNP_LIBS@
 Cflags: @GLIB_CFLAGS@ -I${includedir} -I${includedir}/nice