wil6210: fix double definition of 'ctx'

Variable 'ctx' declarad again in the inner loop. Should use
one from outer loop instead.

Change-Id: Ifa542d7e418153fd3782cb82698225cb9e065f95
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Git-commit: 76dfa4b7715679b8f90499745c071d44472c200c
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-testing.git


Signed-off-by: Hamad Kadmany <hkadmany@codeaurora.org>