[gnome-continuous] build: Don't use += for ACLOCAL_AMFLAGS

[Colin Walters <walters src gnome org>]

commit 4c61dd569d9256a1e8c4af0a1cd2759ed00a00d0
Author: Colin Walters <walters verbum org>
Date:   Sun Jan 5 15:17:52 2014 -0500

    build: Don't use += for ACLOCAL_AMFLAGS
    
    This breaks the aclocal hack, it apparently just looks for =.

 Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index 7d06b3a..d30d9b5 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -17,7 +17,7 @@
 
 include Makefile-decls.am
 
-ACLOCAL_AMFLAGS += -I m4 ${ACLOCAL_FLAGS}
+ACLOCAL_AMFLAGS = -I m4 ${ACLOCAL_FLAGS}
 AM_CPPFLAGS += -DDATADIR='"$(datadir)"' -DLIBEXECDIR='"$(libexecdir)"'
 AM_CFLAGS += $(WARN_CFLAGS)