Merge pull request #810 from bci-oss/809-fix-diagram-generation-in-native-samm-cli

Fix diagram generation in native samm-cli build

Author: atextor

core/esmf-native-support/src/main/java/org/eclipse/esmf/nativefeatures/DiagramFeature.java

@@ -257,6 +257,8 @@ private void setupAwt() {
       Native.forClass( java.awt.GraphicsEnvironment.class )
             .registerMethodForJni( "getLocalGraphicsEnvironment" )
             .registerMethodForJni( "isHeadless" );
+      Native.forClass( "java.awt.GraphicsEnvironment$LocalGE" )
+            .registerClassForReflection();
       Native.forClass( java.awt.event.KeyEvent.class )
             .registerFieldsForJni( "isProxyActive" );
       Native.forClass( java.awt.geom.AffineTransform.class )