[gcr/gnome-3-8] Add missing --enable-coverage configure argument

[Stefan Walter <stefw src gnome org>]

commit 4de7c0e464c049fb9e6dfdab0972ea6b921b0cea
Author: Stef Walter <stefw gnome org>
Date:   Fri Apr 19 19:01:23 2013 +0200

    Add missing --enable-coverage configure argument

 configure.ac | 6 ++++++
 1 file changed, 6 insertions(+)
---
diff --git a/configure.ac b/configure.ac
index 95786fa..b32f723 100644
--- a/configure.ac
+++ b/configure.ac
@@ -284,6 +284,12 @@ AC_MSG_RESULT($strict_status)
 AC_SUBST(INTROSPECTION_FLAGS)
 AC_SUBST(TEST_MODE)
 
+AC_MSG_CHECKING([whether to build with gcov testing])
+AC_ARG_ENABLE([coverage],
+               [AS_HELP_STRING([--enable-coverage], [Whether to enable coverage testing ])],
+               [],
+               [enable_coverage=no])
+
 AC_MSG_RESULT([$enable_coverage])
 
 AC_MSG_CHECKING([code coverage])