make the drawing handlers create the sketch feature at an appropriate time, when we can actually derive geographic coordinates from a pixel, r=ahocevar (References #3327)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@12046 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

tests/Control/Measure.html

@@ -52,10 +52,9 @@
             })
         };
 
+        trigger("mousemove", 0, 0);
         // keep a reference to the line being drawn
         var line = control.handler.line;
-
-        trigger("mousemove", 0, 0);
         trigger("mousedown", 0, 0);
         trigger("mouseup", 0, 0);
         trigger("mousemove", 10, 10);