[banshee/gtk3] build: Fix previous commit to also AC_SUBST(GTKSHARP_LIBS)

[AndrÃs Aragoneses <aaragoneses src gnome org>]

commit b340a1f9a677f905b5a80343bc5c418bde4cfc51
Author: Andres G. Aragoneses <knocte gmail com>
Date:   Tue Jul 26 19:12:02 2011 +0100

    build: Fix previous commit to also AC_SUBST(GTKSHARP_LIBS)
    
    The file gtk-sharp.m4 is in charge of both GLIBSHARP_LIBS and
    GTKSHARP_LIBS.

 build/m4/banshee/gtk-sharp.m4 |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/build/m4/banshee/gtk-sharp.m4 b/build/m4/banshee/gtk-sharp.m4
index 708d8ef..c87ff67 100644
--- a/build/m4/banshee/gtk-sharp.m4
+++ b/build/m4/banshee/gtk-sharp.m4
@@ -6,4 +6,5 @@ AC_DEFUN([BANSHEE_CHECK_GTK_SHARP],
 	PKG_CHECK_MODULES(GTKSHARP, gtk-sharp-3.0 >= GTKSHARP3_REQUIRED)
 
 	AC_SUBST(GLIBSHARP_LIBS)
+	AC_SUBST(GTKSHARP_LIBS)
 ])