Restore original style for blocking/pool assignments in rb_fiber_initialize_kw

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: samuel-williams-shopify

cont.c

@@ -2438,8 +2438,14 @@ rb_fiber_initialize_kw(int argc, VALUE* argv, VALUE self, int kw_splat)
         argc = rb_scan_args_kw(kw_splat, argc, argv, ":", &options);
         rb_get_kwargs(options, fiber_initialize_keywords, 0, 4, arguments);
 
-        if (!UNDEF_P(arguments[0])) blocking = arguments[0];
-        if (!UNDEF_P(arguments[1])) pool     = arguments[1];
+        if (!UNDEF_P(arguments[0])) {
+            blocking = arguments[0];
+        }
+
+        if (!UNDEF_P(arguments[1])) {
+            pool = arguments[1];
+        }
+
         storage = arguments[2];
         quantum = arguments[3];
     }