[polari] build: Add a missing AM_V_GEN

[Florian Müllner <fmuellner src gnome org>]

commit 284c656077227136c71f7983069fddf2987506f5
Author: Florian Müllner <fmuellner gnome org>
Date:   Wed Sep 4 00:48:27 2013 +0200

    build: Add a missing AM_V_GEN

 src/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index 8936486..13de457 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -45,7 +45,7 @@ dist_js_DATA = \
        $(NULL)
 
 config.js: config.js.in Makefile
-       $(do_subst) $< > $@
+       $(AM_V_GEN) $(do_subst) $< > $@
 
 nodist_js_DATA = \
        config.js \