fix more errors of incomplete classpath

after this commit project without JDK configured is not all red

compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/JavaDescriptorResolver.java

@@ -893,7 +893,7 @@ public class JavaDescriptorResolver implements DependencyClassByQualifiedNameRes
             if (resolved != null && resolved.getQualifiedName().equals(JvmStdlibNames.JET_OBJECT.getFqName().getFqName())) {
                 continue;
             }
-            if (annotation && resolved.getQualifiedName().equals("java.lang.annotation.Annotation")) {
+            if (resolved != null && annotation && resolved.getQualifiedName().equals("java.lang.annotation.Annotation")) {
                 continue;
             }
             

compiler/frontend/src/org/jetbrains/jet/lang/resolve/OverrideResolver.java

@@ -441,6 +441,10 @@ public class OverrideResolver {
     }
 
     private void checkOverridesForParameters(CallableMemberDescriptor declared) {
+        if (ErrorUtils.isError(declared)) {
+            return;
+        }
+
         boolean fakeOverride = declared.getKind() == CallableMemberDescriptor.Kind.FAKE_OVERRIDE;
         if (!fakeOverride) {
             // No check if the function is not marked as 'override'