[gobject-introspection] tests: Fix make dist

[Rico Tzschichholz <ricotz src gnome org>]

commit e9a4fcaf5cd564076ad61fd82893cc391704984d
Author: Rico Tzschichholz <ricotz t-online de>
Date:   Tue Feb 21 18:45:32 2012 +0100

    tests: Fix make dist

 tests/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 8a1aa26..b6d6ebd 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -1,7 +1,7 @@
 include $(top_srcdir)/common.mk
 
 SUBDIRS = . scanner repository offsets warn
-DIST_SUBDIRS =
+DIST_SUBDIRS = $(SUBDIRS)
 if BUILD_DOCTOOL
 SUBDIRS += doctool
 else