Fixed classpath error after switch to Java 11

Change-Id: Ie66226b7e36b0cd0b54c1b9c85f58c29af3e1bed
Signed-off-by: Andrey Loskutov <loskutov@gmx.de>

bundles/org.eclipse.releng.tools/.classpath

diff --git a/bundles/org.eclipse.releng.tools/.classpath b/bundles/org.eclipse.releng.tools/.classpath
index eca7bdb..e801ebf 100644
--- a/bundles/org.eclipse.releng.tools/.classpath
+++ b/bundles/org.eclipse.releng.tools/.classpath
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="output" path="bin"/>