[libnotify] build: Another srcdir != builddir fix

[Colin Walters <walters src gnome org>]

commit b6e1f7f1a24e3c33b493eb981cf16b10165422c8
Author: Colin Walters <walters verbum org>
Date:   Mon Jan 16 18:44:49 2012 -0500

    build: Another srcdir != builddir fix

 libnotify/Makefile.am |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/libnotify/Makefile.am b/libnotify/Makefile.am
index a36aac6..ab9f5bc 100644
--- a/libnotify/Makefile.am
+++ b/libnotify/Makefile.am
@@ -8,6 +8,7 @@ AM_CPPFLAGS = \
 	-I.				\
 	-I..				\
 	-I$(top_srcdir)			\
+	-I$(top_builddir)		\
 	-DG_LOG_DOMAIN=\"libnotify\"	\
 	$(PACKAGE_CFLAGS)