fix up inter-subpackage deps

cairo.spec

@@ -5,7 +5,7 @@
 Summary:	A 2D graphics library
 Name:		cairo
 Version:	1.12.8
-Release:	2%{?dist}
+Release:	3%{?dist}
 URL:		http://cairographics.org
 #VCS:		git:git://git.freedesktop.org/git/cairo
 #Source0:	http://cairographics.org/snapshots/%{name}-%{version}.tar.gz
@@ -60,6 +60,7 @@ needed for developing software which uses the cairo graphics library.
 %package gobject
 Summary: GObject bindings for cairo
 Group: System Environment/Libraries
+Requires: %{name} = %{version}-%{release}
 
 %description gobject
 Cairo is a 2D graphics library designed to provide high-quality display
@@ -72,6 +73,7 @@ integrate well with the GObject object system used by GNOME.
 Summary: Development files for cairo-gobject
 Group: Development/Libraries
 Requires: %{name}-devel = %{version}-%{release}
+Requires: %{name}-gobject = %{version}-%{release}
 
 %description gobject-devel
 Cairo is a 2D graphics library designed to provide high-quality display
@@ -179,6 +181,9 @@ rm $RPM_BUILD_ROOT%{_libdir}/*.la
 %{_libdir}/cairo/
 
 %changelog
+* Wed Jan  2 2012 Matthias Clasen <mclasen@redhat.com> - 1.12.8-3
+- Make inter-subpackage deps explicit
+
 * Tue Dec 18 2012 Adam Jackson <ajax@redhat.com> 1.12.8-2
 - 0001-xlib-shm-Fix-memory-leak.patch: Fix a memory leak with shm image
   surfaces. (#882976)