Fix warnings

compiler/backend/src/org/jetbrains/jet/codegen/binding/CodegenAnnotatingVisitor.java

@@ -59,7 +59,7 @@ class CodegenAnnotatingVisitor extends JetVisitorVoid {
 
         private boolean isDelegationToSuperCall;
 
-        private ClassDescriptor descriptor;
+        private final ClassDescriptor descriptor;
 
         public ClassDescriptorWithState(ClassDescriptor descriptor) {
             this.descriptor = descriptor;

compiler/jet.as.java.psi/src/org/jetbrains/jet/asJava/KotlinLightClassForExplicitDeclaration.java

@@ -313,6 +313,7 @@ public class KotlinLightClassForExplicitDeclaration extends KotlinWrappingLightC
         Collection<String> psiModifiers = Sets.newHashSet();
 
         // PUBLIC, PROTECTED, PRIVATE, ABSTRACT, FINAL
+        //noinspection unchecked
         List<Pair<JetKeywordToken, String>> jetTokenToPsiModifier = Lists.newArrayList(
                 Pair.create(PUBLIC_KEYWORD, PsiModifier.PUBLIC),
                 Pair.create(INTERNAL_KEYWORD, PsiModifier.PUBLIC),