Make inner class StopParsingException static in XMLRootHandler

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

Change-Id: I329f36c616a50768b258fb102df95ff3315f9d72
Signed-off-by: Lars Vogel <Lars.Vogel@vogella.com>

bundles/org.eclipse.core.contenttype/src/org/eclipse/core/internal/content/XMLRootHandler.java

diff --git a/bundles/org.eclipse.core.contenttype/src/org/eclipse/core/internal/content/XMLRootHandler.java b/bundles/org.eclipse.core.contenttype/src/org/eclipse/core/internal/content/XMLRootHandler.java
index 55c384b..bfc1708 100644
--- a/bundles/org.eclipse.core.contenttype/src/org/eclipse/core/internal/content/XMLRootHandler.java
+++ b/bundles/org.eclipse.core.contenttype/src/org/eclipse/core/internal/content/XMLRootHandler.java
@@ -38,7 +38,7 @@
 	 *
 	 * @since 3.0
 	 */
-	private class StopParsingException extends SAXException {
+	private static class StopParsingException extends SAXException {
 		/**
 		 * All serializable objects should have a stable serialVersionUID
 		 */