libglusterfs/dict: Donot perform NULL check on data in dict_foreach
libglusterfs/dict: Donot perform NULL check on data in dict_foreach

Signed-off-by: Junaid <junaid@gluster.com>
Signed-off-by: Anand Avati <avati@gluster.com>

BUG: 1816 (send volume options in friend add)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1816

Kaushikbv/Gluster,Kaushikbv/Gluster,Kaushikbv/Gluster