generator: fix some json memory leaks

Author: Hugobros3

src/shady/generator/generator.c

@@ -161,6 +161,7 @@ int main(int argc, char** argv) {
         free(json_files[i].contents);
         json_object_put(json_files[i].root);
     }
+    json_object_put(data.shd);
     json_tokener_free(tokener);
     free(spv_core_json_path);
 }

src/shady/generator/json_apply.c

@@ -24,6 +24,7 @@ void json_apply_object(json_object* target, json_object* src) {
             if (existing)
                 warn_print("json-apply: overwriting key '%s'\n", name);
             json_object_object_add(target, name, value);
+            json_object_get(value);
         }
     }
 }