[evolution-exchange] Use --disable-gtk3 in DISTCHECK_CONFIGURE_FLAGS.

[Matthew Barnes <mbarnes src gnome org>]

commit 1be7258f3711874b72495b4da87cf7d359a4bc5a
Author: Matthew Barnes <mbarnes redhat com>
Date:   Sat Sep 11 13:41:59 2010 -0400

    Use --disable-gtk3 in DISTCHECK_CONFIGURE_FLAGS.
    
    GNOME 2.32 is still based on GTK+ 2.x.

 Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index b84f149..48a1727 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -45,7 +45,7 @@ EXTRA_DIST = \
 	intltool-update.in \
 	evolution-exchange-zip.in
 
-DISTCHECK_CONFIGURE_FLAGS = --enable-gtk-doc --enable-gtk3
+DISTCHECK_CONFIGURE_FLAGS = --enable-gtk-doc --disable-gtk3
 
 # Generate a ChangeLog file from 'git log'
 dist-hook: