Merge magare.gmz:/home/kgeorge/mysql/work/B29325-my_errno-5.0-opt

into  magare.gmz:/home/kgeorge/mysql/work/merge-5.0-5.1-opt

mysys/my_symlink2.c

@@ -56,11 +56,13 @@ File my_create_with_symlink(const char *linkname, const char *filename,
   {
     if (!access(filename,F_OK))
     {
+      my_errno= errno= EEXIST;
       my_error(EE_CANTCREATEFILE, MYF(0), filename, EEXIST);
       DBUG_RETURN(-1);
     }
     if (create_link && !access(linkname,F_OK))
     {
+      my_errno= errno= EEXIST;
       my_error(EE_CANTCREATEFILE, MYF(0), linkname, EEXIST);
       DBUG_RETURN(-1);
     }