[glib] build: Fix failure on "make distclean"

[Michael Biebl <mbiebl src gnome org>]

commit cc2104e87a12414c205319a0e488c17c64246e9c
Author: Michael Biebl <biebl debian org>
Date:   Sat Mar 3 21:39:35 2012 +0100

    build: Fix failure on "make distclean"
    
    https://bugzilla.gnome.org/show_bug.cgi?id=671270

 gio/tests/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gio/tests/Makefile.am b/gio/tests/Makefile.am
index e987fd1..cf1f4e7 100644
--- a/gio/tests/Makefile.am
+++ b/gio/tests/Makefile.am
@@ -621,4 +621,4 @@ DISTCLEANFILES = \
 	schema-source/gschemas.compiled
 
 distclean-local:
-	rm -r xdgdatahome xdgdatadir
+	rm -rf xdgdatahome xdgdatadir