use variable to reference JAVAFX_LIB
diff --git a/org.eclipse.nebula.widgets.nattable.renderer.javafx.example/.classpath b/org.eclipse.nebula.widgets.nattable.renderer.javafx.example/.classpath
index 9938e7c..38bbadf 100644
--- a/org.eclipse.nebula.widgets.nattable.renderer.javafx.example/.classpath
+++ b/org.eclipse.nebula.widgets.nattable.renderer.javafx.example/.classpath
@@ -4,5 +4,6 @@
 	<classpathentry kind="src" path="xtend-gen"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.7"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
+	<classpathentry kind="var" path="JAVAFX_LIB"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/org.eclipse.nebula.widgets.nattable.renderer.javafx/.classpath b/org.eclipse.nebula.widgets.nattable.renderer.javafx/.classpath
index 10642c6..38bbadf 100644
--- a/org.eclipse.nebula.widgets.nattable.renderer.javafx/.classpath
+++ b/org.eclipse.nebula.widgets.nattable.renderer.javafx/.classpath
@@ -4,6 +4,6 @@
 	<classpathentry kind="src" path="xtend-gen"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.7"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
-	<classpathentry kind="con" path="at.bestsolution.efxclipse.tooling.jdt.core.JAVAFX_CONTAINER"/>
+	<classpathentry kind="var" path="JAVAFX_LIB"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>