Fix clean rebuild.

Makefile.am

@@ -14,7 +14,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-SUBDIRS = src
+SUBDIRS = m4 src po
 
 GITIGNOREFILES =				\
 	INSTALL					\

m4/Makefile.am

@@ -0,0 +1,26 @@
+# Copyright (C) 2012 Daiki Ueno <ueno@unixuser.org>
+# Copyright (C) 2012 Red Hat, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+GITIGNOREFILES =                                \
+	intltool.m4				\
+	libtool.m4				\
+	ltoptions.m4				\
+	ltsugar.m4				\
+	ltversion.m4				\
+	lt~obsolete.m4				\
+	$(NULL)
+
+-include $(top_srcdir)/git.mk

po/POTFILES.in

@@ -0,0 +1,3 @@
+src/client.vala
+src/main.c
+

po/POTFILES.skip

@@ -0,0 +1,3 @@
+src/client.c
+src/main.c
+