Static inner class for SpellingReconcileStrategy

Using JDT clean-up to convert to inner class.

Change-Id: I422d9cbf44d0a428cf616f3c0242406d00ffabc0
Signed-off-by: Lars Vogel <Lars.Vogel@vogella.com>
Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.text/+/185448
Tested-by: Platform Bot <platform-bot@eclipse.org>
diff --git a/org.eclipse.ui.workbench.texteditor/src/org/eclipse/ui/texteditor/spelling/SpellingReconcileStrategy.java b/org.eclipse.ui.workbench.texteditor/src/org/eclipse/ui/texteditor/spelling/SpellingReconcileStrategy.java
index 33a30de..48064ca 100644
--- a/org.eclipse.ui.workbench.texteditor/src/org/eclipse/ui/texteditor/spelling/SpellingReconcileStrategy.java
+++ b/org.eclipse.ui.workbench.texteditor/src/org/eclipse/ui/texteditor/spelling/SpellingReconcileStrategy.java
@@ -52,7 +52,7 @@
 	/**
 	 * Spelling problem collector.
 	 */
-	private class SpellingProblemCollector implements ISpellingProblemCollector {
+	private static class SpellingProblemCollector implements ISpellingProblemCollector {
 
 		/** Annotation model. */
 		private IAnnotationModel fAnnotationModel;