* simdb-tool.c : fix compiler warnings

src/simdb-tool.c

@@ -90,8 +90,9 @@ int search_similar_file(simdb_t *db, float maxdiff, char *path) {
 
   print_search_results(&search);
 
-  if (search.found > 0)
+  if (search.found > 0) {
     FREE(search.matches);
+  }
 
   return 0;
 }
@@ -110,8 +111,9 @@ int search_similar_byid(simdb_t *db, float maxdiff, int num) {
 
   print_search_results(&search);
 
-  if (search.found > 0)
+  if (search.found > 0) {
     FREE(search.matches);
+  }
 
   return 0;
 }