Fixed PMD issues

Author: drpayyne

src/com/magento/idea/magento2plugin/actions/generation/dialog/NewModelsDialog.java

@@ -223,7 +223,7 @@ private void onOK() {
     private PsiFile generateModelFile() {
         final NamespaceBuilder modelNamespace = getModelNamespace();
         final NamespaceBuilder resourceModelNamespace = getResourceModelNamespace();
-        StringBuilder resourceModelFqn = new StringBuilder(resourceModelNamespace.getClassFqn());
+        final StringBuilder resourceModelFqn = new StringBuilder(resourceModelNamespace.getClassFqn());
         String resorceModelName = getResourceModelName();
 
         if (getModelName().equals(getResourceModelName())) {
@@ -258,9 +258,9 @@ private PsiFile generateCollectionFile() {
         final NamespaceBuilder resourceModelNamespace = getResourceModelNamespace();
         final NamespaceBuilder modelNamespace = getModelNamespace();
         final NamespaceBuilder collectionNamespace = getCollectionNamespace();
-        StringBuilder modelFqn = new StringBuilder(modelNamespace.getClassFqn());
+        final StringBuilder modelFqn = new StringBuilder(modelNamespace.getClassFqn());
         String modelName = getModelName();
-        StringBuilder resourceModelFqn = new StringBuilder(resourceModelNamespace.getClassFqn());
+        final StringBuilder resourceModelFqn = new StringBuilder(resourceModelNamespace.getClassFqn());
         String resorceModelName = getResourceModelName();