Remove the .in_place directory on a make distclean.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@2449 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/Makefile.am b/Makefile.am
index 6273db2..271e1b8 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -55,3 +55,5 @@
 	rm -f $(addprefix $(top_builddir)/.in_place/,default.supp $(SUPP_FILES))
 	ln -s $(addprefix $(top_srcdir)/../,default.supp $(SUPP_FILES)) $(top_builddir)/.in_place
 
+distclean-local:
+	rm -rf $(top_builddir)/.in_place