Merged revisions 336091 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/10

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  r336091 | dvossel | 2011-09-15 10:19:10 -0500 (Thu, 15 Sep 2011) | 2 lines
  
  Removes some no-op code found in format_cap.c.
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@336092 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/format_cap.c

@@ -521,8 +521,6 @@ struct ast_format_cap *ast_format_cap_get_type(const struct ast_format_cap *cap,
 	}
 	result = ast_format_cap_destroy(result);
 
-	/* Remember to always free the NULL before returning it. */
-	ast_free(NULL);
 	return NULL;
 }