[evolution-exchange] Add GSEAL_ENABLE to AS_COMPILER_FLAGS.

[Matthew Barnes <mbarnes src gnome org>]

commit a54b2a500737029e2e626ff604b1ff1be1cec586
Author: Matthew Barnes <mbarnes redhat com>
Date:   Thu Apr 8 13:04:53 2010 -0400

    Add GSEAL_ENABLE to AS_COMPILER_FLAGS.

 configure.ac |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 461b21a..80c6f9c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -42,6 +42,7 @@ AS_COMPILER_FLAGS(WARNING_FLAGS,
 	-DGTK_DISABLE_DEPRECATED
 	-DG_DISABLE_SINGLE_INCLUDES
 	-DGTK_DISABLE_SINGLE_INCLUDES
+	-DGSEAL_ENABLE
 	-Wall -Wextra
 	-Wno-missing-field-initializers
 	-Wno-sign-compare