fix segfault on empty prop key value

[roobuilder] / src / JsRender / NodeProp.vala

diff --git a/src/JsRender/NodeProp.vala b/src/JsRender/NodeProp.vala
index 17bc076..61c0f1d 100644 (file)
--- a/src/JsRender/NodeProp.vala
+++ b/src/JsRender/NodeProp.vala
@@ -142,6 +142,9 @@ public class JsRender.NodeProp : Object {
        public string  to_json_key()
        {
                
+               if (this.rtype == null) { // not sure why this happens.!?
+                       this.rtype = "";
+               }
                var ortype = this.rtype +  (this.rtype.length > 0 ? " " : "");
                var oabbr = NodePropType.to_abbr(this.ptype);
                if (oabbr.length > 0) {