Code review and fixes.

internal/preferences/wine.go

@@ -38,7 +38,7 @@ func validateWinePrograms(programs []string) error {
 			return fmt.Errorf("Wine program \"%s\" is a path. Type only the executable name, such as Game.exe, or delete the entry.", name)
 		case len(name) > 255:
 			return fmt.Errorf("Wine program \"%s\" is too long. Executable names may be at most 255 characters; fix or delete the entry.", name)
-		case strings.TrimSpace(name) != name || strings.ContainsAny(name, "\x00\r\n"):
+		case !config.ValidWineProgramName(name):
 			return fmt.Errorf("Wine program \"%s\" is not a valid executable name. Remove the surrounding spaces or control characters, or delete the entry.", name)
 		}
 	}