Fallback to mapCrs

Author: sbrunner

core/src/main/java/org/mapfish/print/map/geotools/grid/GridUtils.java

@@ -284,6 +284,9 @@ private static double[] transformToLabelProjection(
 
       // Get axis directions from the target CRS
       CoordinateReferenceSystem labelCrs = layerData.getLabelCRS();
+      if (labelCrs == null) {
+        labelCrs = mapCrs;
+      }
       if (labelCrs != null) {
         CoordinateSystem cs = labelCrs.getCoordinateSystem();
         AxisDirection dir0 = cs.getAxis(0).getDirection();