Change more proper grammer

Use `!metadata` instead of `metadata == NULL`.
brianmario · Jun 23, 2017 · acebb04 · acebb04
1 parent 5cc8675
commit acebb04
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/ext/mysql2/statement.c b/ext/mysql2/statement.c
@@ -479,7 +479,7 @@ static VALUE fields(VALUE self) {
 #endif
 
   metadata = mysql_stmt_result_metadata(stmt);
-  if (metadata == NULL) {
+  if (!metadata) {
     return rb_ary_new();
   }
   fields      = mysql_fetch_fields(metadata);