Make inner class NameSorter static in LocalHistoryBrowserView

This avoids the pointer to the outer class and save a tiny bit of
memory. Done via JDT cleanup actions

Change-Id: Ie8554e582aabd71455cac3c655710867203a17e4
Signed-off-by: Lars Vogel <Lars.Vogel@vogella.com>
diff --git a/bundles/org.eclipse.core.tools.resources/src/org/eclipse/core/tools/resources/LocalHistoryBrowserView.java b/bundles/org.eclipse.core.tools.resources/src/org/eclipse/core/tools/resources/LocalHistoryBrowserView.java
index 6e31cee..42e30c6 100644
--- a/bundles/org.eclipse.core.tools.resources/src/org/eclipse/core/tools/resources/LocalHistoryBrowserView.java
+++ b/bundles/org.eclipse.core.tools.resources/src/org/eclipse/core/tools/resources/LocalHistoryBrowserView.java
@@ -45,7 +45,7 @@
 	Action refreshAction;
 	Action doubleClickAction;
 
-	class NameSorter extends ViewerComparator {
+	static class NameSorter extends ViewerComparator {
 		// empty impl
 	}