Don't check protected method ancestry on fcall

If we are making an FCALL, we know we are calling a method on self. This
is the same check made for private method visibility, so it should also
guarantee we can call a protected method.

vm_insnhelper.c

@@ -3749,7 +3749,7 @@ vm_call_method(rb_execution_context_t *ec, rb_control_frame_t *cfp, struct rb_ca
             return vm_call_method_each_type(ec, cfp, calling);
 
 	  case METHOD_VISI_PROTECTED:
-	    if (!(vm_ci_flag(ci) & VM_CALL_OPT_SEND)) {
+	    if (!(vm_ci_flag(ci) & (VM_CALL_OPT_SEND | VM_CALL_FCALL))) {
                 VALUE defined_class = vm_defined_class_for_protected_call(vm_cc_cme(cc));
                 if (!rb_obj_is_kind_of(cfp->self, defined_class)) {
                     vm_cc_method_missing_reason_set(cc, MISSING_PROTECTED);