add pkg-config files for libFLAC and libFLAC++ (SF#1647881: http://sourceforge.net/tracker/index.php?func=detail&aid=1647881&group_id=13478&atid=313478)
diff --git a/configure.in b/configure.in
index 28c9de7..275d84a 100644
--- a/configure.in
+++ b/configure.in
@@ -285,6 +285,7 @@
 	Makefile \
 	src/Makefile \
 	src/libFLAC/Makefile \
+	src/libFLAC/flac.pc \
 	src/libFLAC/ia32/Makefile \
 	src/libFLAC/ppc/Makefile \
 	src/libFLAC/ppc/as/Makefile \
@@ -293,6 +294,7 @@
 	src/libFLAC/include/private/Makefile \
 	src/libFLAC/include/protected/Makefile \
 	src/libFLAC++/Makefile \
+	src/libFLAC++/flac++.pc \
 	src/flac/Makefile \
 	src/metaflac/Makefile \
 	src/monkeys_audio_utilities/Makefile \