- Fix a typo in a timing API call

- Convert the last part of channel.c over to use the timing API.  This would
   not have made a difference when using the dahdi timing module.  I noticed
   it when trying to use another timing source.  Oops.  :)


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@122923 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/timing.c

@@ -157,7 +157,7 @@ int ast_timer_enable_continuous(int handle)
 	return result;
 }
 
-int ast_timer_disable_continous(int handle)
+int ast_timer_disable_continuous(int handle)
 {
 	int result;