[glib] Silence the build some more

[Matthias Clasen <matthiasc src gnome org>]

commit 30abc73c1a8ff1e86513d7b3f4d1ba1a51d70790
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Dec 20 21:32:53 2014 -0500

    Silence the build some more

 glib/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/glib/Makefile.am b/glib/Makefile.am
index 1b9e081..1d4dabc 100644
--- a/glib/Makefile.am
+++ b/glib/Makefile.am
@@ -315,7 +315,7 @@ glibsubinclude_HEADERS = \
 
 # This is read by gobject-introspection/misc/ and gtk-doc
 glib-public-headers.txt: Makefile
-       echo $(glibinclude_HEADERS) $(glibsubinclude_HEADERS) > $  tmp && mv $  tmp $@
+       $(AM_V_GEN) echo $(glibinclude_HEADERS) $(glibsubinclude_HEADERS) > $  tmp && mv $  tmp $@
 
 CLEANFILES += glib-public-headers.txt