[gtk-doc-stub] Makefile: install gtk-doc.m4 into aclocal dir too

[Colin Walters <walters src gnome org>]

commit dc784ca899b485a807e3e7de4512b9b997e6938a
Author: Colin Walters <walters verbum org>
Date:   Mon Jan 2 09:46:25 2012 -0500

    Makefile: install gtk-doc.m4 into aclocal dir too

 Makefile |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/Makefile b/Makefile
index 6a26e0c..7347986 100644
--- a/Makefile
+++ b/Makefile
@@ -20,3 +20,6 @@ install: $(bin_programs)
 
 	mkdir -p $(DESTDIR)$(datarootdir)/gtk-doc/data
 	touch $(DESTDIR)$(datarootdir)/gtk-doc/data/gtk-doc.make
+
+	mkdir -p $(DESTDIR)$(datarootdir)/aclocal/
+	install -m 0644 gtk-doc.m4 $(DESTDIR)$(datarootdir)/aclocal/gtk-doc.m4