[gnome-applets] trash: add consistent use of NULL in Makefile.am

[Sebastian Geiger <segeiger src gnome org>]

commit 6ee344ea8203284dc962507abcee95a0a1df64b3
Author: Sebastian Geiger <sbastig gmx net>
Date:   Fri Jul 29 00:01:13 2016 +0200

    trash: add consistent use of NULL in Makefile.am

 trash/src/Makefile.am |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/trash/src/Makefile.am b/trash/src/Makefile.am
index 0425160..92ed843 100644
--- a/trash/src/Makefile.am
+++ b/trash/src/Makefile.am
@@ -17,7 +17,8 @@ trashapplet_SOURCES = \
        trash-applet.c \
        trash-applet.h \
        trash-empty.h \
-       trash-empty.c
+       trash-empty.c \
+       $(NULL)
 
 trashapplet_LDFLAGS = \
        $(WARN_LDFLAGS) \
@@ -27,6 +28,7 @@ trashapplet_LDFLAGS = \
 trashapplet_LDADD =            \
        $(GNOME_APPLETS_LIBS)   \
        $(GIO_LIBS)             \
-       $(X_LIBS)
+       $(X_LIBS) \
+       $(NULL)
 
 -include $(top_srcdir)/git.mk