[gnome-panel] build: Add ${ACLOCAL_FLAGS} to ACLOCAL_AMFLAGS

[Vincent Untz <vuntz src gnome org>]

commit 406c83bf4f8725a2ba31ae6eb6c9474aa5df9860
Author: Vincent Untz <vuntz gnome org>
Date:   Fri Feb 4 11:58:07 2011 +0100

    build: Add ${ACLOCAL_FLAGS} to ACLOCAL_AMFLAGS
    
    This is used by gnome-autogen.sh, and we need it when aclocal.m4 is
    to be rebuilt by make, to avoid losing some aclocal paths.

 Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index 434e44b..0ed47ff 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -8,7 +8,7 @@ SUBDIRS =			\
 	man			\
 	po
 
-ACLOCAL_AMFLAGS = -I m4
+ACLOCAL_AMFLAGS = -I m4 ${ACLOCAL_FLAGS}
 
 DISTCHECK_CONFIGURE_FLAGS = --enable-gtk-doc --enable-introspection --disable-scrollkeeper