Don't build old chan_iax by default (oops)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@3347 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/Makefile

@@ -26,7 +26,7 @@ CHANNEL_LIBS=chan_modem.so chan_sip.so \
 # If you really want IAX1 uncomment the following, but it is
 # unmaintained
 #
-CHANNEL_LIBS+=chan_iax.so
+#CHANNEL_LIBS+=chan_iax.so
 
 #
 # If you really want VoFR you can have it :-P