Field fCachedRedrawState can be a local variable in
LineNumberRulerColumn

Done during testing of JDT clean-up actions for "Convert fields into
local variables if the use is only local"

Change-Id: I5d2e53dc89845b35b129cf9fb543fb348980ce56
Signed-off-by: Lars Vogel <Lars.Vogel@vogella.com>
diff --git a/org.eclipse.jface.text/src/org/eclipse/jface/text/source/LineNumberRulerColumn.java b/org.eclipse.jface.text/src/org/eclipse/jface/text/source/LineNumberRulerColumn.java
index b46c7c6..346432f 100644
--- a/org.eclipse.jface.text/src/org/eclipse/jface/text/source/LineNumberRulerColumn.java
+++ b/org.eclipse.jface.text/src/org/eclipse/jface/text/source/LineNumberRulerColumn.java
@@ -66,15 +66,10 @@
 	 */
 	class InternalListener implements ITextListener {
 
-		/**
-		 * @since 3.1
-		 */
-		private boolean fCachedRedrawState= true;
-
 		@Override
 		public void textChanged(TextEvent event) {
 
-			fCachedRedrawState= event.getViewerRedrawState();
+			boolean fCachedRedrawState= event.getViewerRedrawState();
 			if (!fCachedRedrawState)
 				return;