[goffice] final distcheck fixes

[Morten Welinder <mortenw src gnome org>]

commit 5bbc94a12a55d40618a0c1163e33648770a90092
Author: Morten Welinder <terra gnome org>
Date:   Fri Mar 2 19:23:44 2012 -0500

    final distcheck fixes

 goffice.mk |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/goffice.mk b/goffice.mk
index fa026a9..5bf12c7 100644
--- a/goffice.mk
+++ b/goffice.mk
@@ -24,3 +24,8 @@ list_of_sources: Makefile
 		fi; \
 	done
 	mv $  tmp $@
+
+distclean-local: distclean-local-list_of_sources
+.PHONY: distclean-local-list_of_sources
+distclean-local-list_of_sources:
+	rm -f list_of_sources