Fix bug where multiple sampleof attributes could be output, resulting in

invalid XML.

src/emu/info.c

@@ -630,6 +630,9 @@ static void print_game_sampleof(FILE *out, const game_driver *game, const machin
 					/* only output sampleof if different from the game name */
 					if (cursampname[0] == '*' && strcmp(cursampname + 1, game->name) != 0)
 						fprintf(out, " sampleof=\"%s\"", xml_normalize_string(cursampname + 1));
+					
+					/* must stop here, as there can only be one attribute of the same name */
+					return;
 				}
 			}
 		}