tweak

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@9253 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/applications/mod_commands/mod_commands.c

@@ -2024,7 +2024,7 @@ SWITCH_STANDARD_API(show_function)
 			if (!strcasecmp(var, "text/plain")) {
 				holder.http = NULL;
 			}
-		} else {
+		} else if (holder.http) {
 			stream->write_function(stream, "%s", "Content-Type: text/html\n\n");
 		}