Perform clean code of debug/org.eclipse.debug.core

Author: eclipse-platform-bot

debug/org.eclipse.debug.core/core/org/eclipse/debug/core/DebugPlugin.java

@@ -1285,8 +1285,8 @@ public boolean equals(Object obj) {
 
 	private static class ExecFactoryFacade implements ExecFactory {
 
-		private IConfigurationElement element;
-		private int priority;
+		private final IConfigurationElement element;
+		private final int priority;
 
 		ExecFactoryFacade(IConfigurationElement element, int priority) {
 			this.element = element;