core, bugfix: compile warning in debug mode.

Author: xicilion

fibjs/include/ClassInfo.h

@@ -233,7 +233,8 @@ class ClassInfo {
 
                 if (!skips || !skips[j])
                     o->SetAccessor(_context, isolate->NewString(m_cd.cps[i].name),
-                        m_cd.cps[i].getter, m_cd.cps[i].setter);
+                         m_cd.cps[i].getter, m_cd.cps[i].setter)
+                        .ToChecked();
             }
 
         for (i = 0; i < m_cd.cc; i++) {

fibjs/include/Trigger.h

@@ -143,7 +143,7 @@ class JSTrigger {
         int32_t len = esa->Length();
         for (i = index; i < len - 1; i++)
             esa->Set(i, esa->Get(i + 1));
-        esa->Delete(esa->CreationContext(), len - 1);
+        esa->Delete(esa->CreationContext(), len - 1).ToChecked();
         esa->Set(NewString("length"),
             v8::Integer::New(isolate, len - 1));
     }