[glib] build: Add missing AM_V_GEN to silence the build

[Christian Persch <chpe src gnome org>]

commit 0fd9863abe218c002327ea993089476a793a99e6
Author: Christian Persch <chpe gnome org>
Date:   Tue May 29 19:10:57 2012 +0200

    build: Add missing AM_V_GEN to silence the build

 gio/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gio/Makefile.am b/gio/Makefile.am
index dae04b4..97d1082 100644
--- a/gio/Makefile.am
+++ b/gio/Makefile.am
@@ -652,7 +652,7 @@ BUILT_EXTRA_DIST = 		\
 
 # This is read by gobject-introspection/misc/ and gtk-doc
 gio-public-headers.txt: Makefile
-	echo $(gioinclude_HEADERS) $(giowin32include_HEADERS) $(giounixinclude_HEADERS) > $  tmp && mv $  tmp $@
+	$(AM_V_GEN) echo $(gioinclude_HEADERS) $(giowin32include_HEADERS) $(giounixinclude_HEADERS) > $  tmp && mv $  tmp $@
 
 CLEANFILES = gdbus-daemon-generated.c gdbus-daemon-generated.h gio-public-headers.txt gconstructor_as_data.h