return not empty string but Raphael object if browser does not support svg and vml

Author: a-pertsev

dev/raphael.core.js

@@ -339,7 +339,8 @@
         b = d.firstChild;
         b.style.behavior = "url(#default#VML)";
         if (!(b && typeof b.adj == "object")) {
-            return (R.type = E);
+            R.type = E;
+            return R;
         }
         d = null;
     }

raphael-min.js

@@ -339,7 +339,8 @@
         b = d.firstChild;
         b.style.behavior = "url(#default#VML)";
         if (!(b && typeof b.adj == "object")) {
-            return (R.type = E);
+            R.type = E;
+            return R;
         }
         d = null;
     }

raphael-nodeps-min.js

@@ -721,7 +721,8 @@
         b = d.firstChild;
         b.style.behavior = "url(#default#VML)";
         if (!(b && typeof b.adj == "object")) {
-            return (R.type = E);
+            R.type = E;
+            return R;
         }
         d = null;
     }