Fix checkstyle

Author: adangel

net.sourceforge.pmd.eclipse.plugin/src/main/java/net/sourceforge/pmd/eclipse/ui/preferences/GeneralPreferencesPage.java

@@ -45,7 +45,6 @@
 import org.eclipse.swt.widgets.Spinner;
 import org.eclipse.swt.widgets.Table;
 import org.eclipse.swt.widgets.Text;
-import org.eclipse.ui.IPageLayout;
 import org.eclipse.ui.IWorkbench;
 import org.eclipse.ui.IWorkbenchPreferencePage;
 import org.eclipse.ui.dialogs.PreferencesUtil;
@@ -57,7 +56,6 @@
 import net.sourceforge.pmd.eclipse.runtime.builder.MarkerUtil;
 import net.sourceforge.pmd.eclipse.runtime.preferences.IPreferences;
 import net.sourceforge.pmd.eclipse.ui.BasicTableLabelProvider;
-import net.sourceforge.pmd.eclipse.ui.RuleLabelDecorator;
 import net.sourceforge.pmd.eclipse.ui.Shape;
 import net.sourceforge.pmd.eclipse.ui.ShapePicker;
 import net.sourceforge.pmd.eclipse.ui.model.RootRecord;

net.sourceforge.pmd.eclipse.plugin/src/main/java/net/sourceforge/pmd/eclipse/ui/priority/PriorityDescriptor.java

@@ -186,17 +186,21 @@ public String toString() {
 
     private Map<Integer, Image> cachedImages = new HashMap<>(3);
     private static final int ANNOTATION_IMAGE_DIMENSION = 9;
+
     public Image getAnnotationImage() {
         return getImage(ANNOTATION_IMAGE_DIMENSION);
     }
+
     public ImageDescriptor getAnnotationImageDescriptor() {
         return ImageDescriptor.createFromImage(getAnnotationImage());
     }
+
     private Image createImage(final int size) {
         return ShapePainter.newDrawnImage(Display.getCurrent(), size, size, shape.shape, PROTO_TRANSPARENT_COLOR,
                 shape.rgbColor // fillColour
         );
     }
+
     /**
      * Gets the marker image in a specific size. The image is cached and reused.
      * @param size

net.sourceforge.pmd.eclipse.plugin/src/main/java/net/sourceforge/pmd/eclipse/ui/priority/PriorityDescriptorCache.java

@@ -87,8 +87,8 @@ public void dispose() {
     }
 
     private void refreshImages() {
-       for (PriorityDescriptor pd : uiDescriptorsByPriority.values()) {
-           pd.refreshImages();
-       }
+        for (PriorityDescriptor pd : uiDescriptorsByPriority.values()) {
+            pd.refreshImages();
+        }
     }
 }