build-sys: Add echo-cancel dummy Makefile

configure.ac

@@ -1448,6 +1448,7 @@ src/modules/alsa/mixer/Makefile
 src/modules/alsa/mixer/paths/Makefile
 src/modules/alsa/mixer/profile-sets/Makefile
 src/modules/bluetooth/Makefile
+src/modules/echo-cancel/Makefile
 src/modules/gconf/Makefile
 src/modules/jack/Makefile
 src/modules/oss/Makefile

src/modules/Makefile.am

@@ -17,4 +17,4 @@
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 # USA.
 
-SUBDIRS = alsa bluetooth gconf jack oss raop rtp x11
+SUBDIRS = alsa bluetooth echo-cancel gconf jack oss raop rtp x11

src/modules/echo-cancel/Makefile.am

@@ -0,0 +1,20 @@
+# This file is part of PulseAudio.
+#
+# Copyright 2011 Colin Guthrie
+#
+# PulseAudio is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# PulseAudio 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 Lesser General Public License
+# along with PulseAudio; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+# USA.
+
+# This Automake file is intentionally blank.