opt-test: Move some variable declarations to avoid block braces

libavutil/opt.c

@@ -801,9 +801,6 @@ static const AVClass test_class = {
 int main(void)
 {
     int i;
-
-    printf("\nTesting av_set_options_string()\n");
-    {
     TestContext test_ctx;
     const char *options[] = {
         "",
@@ -828,6 +825,9 @@ int main(void)
     };
 
     test_ctx.class = &test_class;
+
+    printf("\nTesting av_set_options_string()\n");
+
     av_opt_set_defaults(&test_ctx);
     test_ctx.string = av_strdup("default");
     if (!test_ctx.string)
@@ -835,13 +835,12 @@ int main(void)
 
     av_log_set_level(AV_LOG_DEBUG);
 
-        for (i=0; i < FF_ARRAY_ELEMS(options); i++) {
+    for (i = 0; i < FF_ARRAY_ELEMS(options); i++) {
         av_log(&test_ctx, AV_LOG_DEBUG, "Setting options string '%s'\n", options[i]);
         if (av_set_options_string(&test_ctx, options[i], "=", ":") < 0)
             av_log(&test_ctx, AV_LOG_ERROR, "Error setting options string: '%s'\n", options[i]);
         printf("\n");
     }
-    }
 
     return 0;
 }