[gxml] Added missing required modules to gxml-0.4.pc file

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit c94861a10eb3d6ecf02db2a61c72708dc83e52e6
Author: Daniel Espinosa <esodan gmail com>
Date:   Sun Aug 31 14:54:26 2014 -0500

    Added missing required modules to gxml-0.4.pc file

 gxml/gxml-0.4.pc.in |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gxml/gxml-0.4.pc.in b/gxml/gxml-0.4.pc.in
index 00924d3..718fa54 100644
--- a/gxml/gxml-0.4.pc.in
+++ b/gxml/gxml-0.4.pc.in
@@ -9,6 +9,6 @@ Name: libgxml
 Description: GObject API for XML manipulation library
 URL: http://live.gnome.org/XML
 Version: @VERSION@
-Requires: glib-2.0 gobject-2.0 gee-0.8 libxml-2.0
+Requires: glib-2.0 gobject-2.0 gee-0.8 gio-2.0 libxml-2.0
 Libs: -L${libdir} -lgxml- API_VERSION@
 Cflags: -I${includedir}/gxml- API_VERSION@