app_page: Fix a memory leak on every Page().

dial_list is a dynamically allocated array that is allocated at the beginning
of Page() based on how many devices will be dialed.  This was never being freed.
........

Merged revisions 360363 from http://svn.asterisk.org/svn/asterisk/branches/1.8
........

Merged revisions 360364 from http://svn.asterisk.org/svn/asterisk/branches/10


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@360365 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_page.c

@@ -329,6 +329,8 @@ static int page_exec(struct ast_channel *chan, const char *data)
 		ast_dial_destroy(dial);
 	}
 
+	ast_free(dial_list);
+
 	return -1;
 }