clean: remove useless goto

src/main.c

@@ -97,7 +97,7 @@ int main(int ac, char **av)
     int ret = get_setting(av + 1, &settings);
 
     if (ret == -1)
-        goto finish;
+        return  0;
     if (ret)
         goto error0;
 
@@ -175,9 +175,8 @@ int main(int ac, char **av)
 
     print_statistics(&stats, &settings);
 
-finish:
     return 0;
-
+    
 error3:
     free(buffer);
 error2: