fix logic error in searching for channel by name (bug #4684)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@6110 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channel.c

@@ -678,8 +678,12 @@ static struct ast_channel *channel_find_locked(const struct ast_channel *prev,
 				if (!name)
 					break;
 				/* want match by full name */
-				if (!namelen && !strcasecmp(c->name, name))
+				if (!namelen) {
+					if (!strcasecmp(c->name, name))
 						break;
+					else
+						continue;
+				}
 				/* want match by name prefix */
 				if (!strncasecmp(c->name, name, namelen))
 					break;