test-chmtime: Fix exit code on Windows

MinGW's bash does not recognize an exit code -1 as failure. See also
47e3de0 (MinGW: truncate exit()'s argument to lowest 8 bits) and 2488df8
(builtin run_command: do not exit with -1). Exit code 1 is good enough.

Signed-off-by: Johannes Sixt <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: j6t

test-chmtime.c

@@ -84,15 +84,15 @@ int main(int argc, const char *argv[])
 		if (stat(argv[i], &sb) < 0) {
 			fprintf(stderr, "Failed to stat %s: %s\n",
 			        argv[i], strerror(errno));
-			return -1;
+			return 1;
 		}
 
 #ifdef WIN32
 		if (!(sb.st_mode & S_IWUSR) &&
 				chmod(argv[i], sb.st_mode | S_IWUSR)) {
 			fprintf(stderr, "Could not make user-writable %s: %s",
 				argv[i], strerror(errno));
-			return -1;
+			return 1;
 		}
 #endif
 
@@ -107,13 +107,13 @@ int main(int argc, const char *argv[])
 		if (utb.modtime != sb.st_mtime && utime(argv[i], &utb) < 0) {
 			fprintf(stderr, "Failed to modify time on %s: %s\n",
 			        argv[i], strerror(errno));
-			return -1;
+			return 1;
 		}
 	}
 
 	return 0;
 
 usage:
 	fprintf(stderr, "usage: %s %s\n", argv[0], usage_str);
-	return -1;
+	return 1;
 }