fiy(miglayout): setRowConstraints uses col constraints (#26)

Author: jdrueckert

nui/src/main/java/org/terasology/nui/layouts/miglayout/MigLayout.java

@@ -114,7 +114,7 @@ public void setRc(AC rc) {
 
     public void setRowConstraints(String constraint) {
         rowConstraints = constraint;
-        setRc(ConstraintParser.parseColumnConstraints(ConstraintParser.prepare(constraint)));
+        setRc(ConstraintParser.parseRowConstraints(ConstraintParser.prepare(constraint)));
     }
 
     @Override