gsyncd / geo-rep: fix "regular file" overloading rename

entry operation on the slave was using source parent gfid
and basename when renames are overloaded to use regular file
creation. This patch fixes the issue by using the destination
parent gfid and basename for these cases.

Change-Id: I1a4e8df7f07905224ce44ef5abd6f180234285ab
BUG: 1003800
Tested-by: Amar Tumballi <amarts@redhat.com>
Signed-off-by: Venky Shankar <vshankar@redhat.com>
Reviewed-on: http://review.gluster.org/5754
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Avra Sengupta <asengupt@redhat.com>
Tested-by: Avra Sengupta <asengupt@redhat.com>
Reviewed-by: Anand Avati <avati@redhat.com>