libglusterfs: Fix warnings reported by clang.
libglusterfs: Fix warnings reported by clang.

Fix errors reported by clang.

Signed-off-by: Sachidananda Urs <sac@gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 1088 ()
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1088

Kaushikbv/Gluster,Kaushikbv/Gluster,Kaushikbv/Gluster