corosync.pc.in: Define Cflags

* pkgconfig/corosync.pc.in (Cflags): Define.

git-svn-id: http://svn.fedorahosted.org/svn/corosync/trunk@2138 fd59a12c-fef9-0310-b244-a6a79926bd2f

pkgconfig/corosync.pc.in

@@ -9,3 +9,4 @@ Name: corosync
 Version: @LIBVERSION@
 Description: corosync
 Requires:
+Cflags: -I${includedir}