[uniquemm] Reference gtkmm-2.4 Doxygen tag file

[Daniel Elstner <daniel src gnome org>]

commit 7875a96d5d2466327141e6863e5df865357ffc33
Author: Daniel Elstner <danielk openismus com>
Date:   Thu Sep 10 14:03:29 2009 +0200

    Reference gtkmm-2.4 Doxygen tag file
    
    * configure.ac: Call MM_ARG_WITH_TAGFILE_DOC() for module gtkmm-2.4.

 configure.ac |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 92e3bc9..f70ec21 100644
--- a/configure.ac
+++ b/configure.ac
@@ -48,6 +48,7 @@ MM_ARG_ENABLE_DOCUMENTATION
 MM_ARG_WITH_TAGFILE_DOC([libstdc++.tag], [mm-common-libstdc++])
 MM_ARG_WITH_TAGFILE_DOC([libsigc++-2.0.tag], [sigc++-2.0])
 MM_ARG_WITH_TAGFILE_DOC([glibmm-2.4.tag], [glibmm-2.4])
+MM_ARG_WITH_TAGFILE_DOC([gtkmm-2.4.tag], [gtkmm-2.4])
 
 AC_LANG([C++])
 MM_ARG_ENABLE_WARNINGS([UNIQUEMM_WXXFLAGS],