[Libguestfs] patch required for "make check"

[Jim Meyering]

I think this patch is required for "make check":

diff --git a/Makefile.am b/Makefile.am
index e5ca43c..258cebe 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -15,7 +15,7 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

-ACLOCAL_AMFLAGS = -I m4
+ACLOCAL_AMFLAGS = -I m4 -I gnulib/m4

 SUBDIRS = gnulib/lib src daemon appliance fish po examples images \
 	gnulib/tests capitests regressions test-tool

I'll push it tomorrow morning, once I've confirmed.