TURBO2-711: Fix URI path combining for empty base URI path.

lib/modules/Standards.pmod/URI.pike

@@ -123,10 +123,7 @@ string combine_uri_path(string base, string rel)
   //    copied to the buffer.  In other words, any characters after the
   //    last (right-most) slash character, if any, are excluded.
   array segments=base/"/";
-  if(has_value(base, "/"))
   buf=segments[..<1]*"/"+"/";
-  else
-    buf=base;
 
   // b) The reference's path component is appended to the buffer string.
   buf+=rel;