[evolution/kill-bonobo] Don't stomp on the warning flags.

[Matthew Barnes <mbarnes src gnome org>]

commit c4716bf2e904a4bcf573ee30841378c1f53092ee
Author: Matthew Barnes <mbarnes redhat com>
Date:   Sun Aug 16 10:08:09 2009 -0400

    Don't stomp on the warning flags.

 configure.ac |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 938fea0..535d982 100644
--- a/configure.ac
+++ b/configure.ac
@@ -341,6 +341,7 @@ if test "$have_iconv" = no; then
 fi
 AC_SUBST(ICONV_LIBS)
 
+save_CFLAGS="$CFLAGS"
 CFLAGS="$CFLAGS -I$srcdir"
 
 AC_MSG_CHECKING([preferred charset name formats for system iconv])