wlan: Fix NULL check after dereference in limIbssStaAdd()

Static source code analysis identified an issue in limIbssStaAdd()
where a pointer was being tested for NULL after it had already been
dereferenced.  Remove the unnecessary NULL check.

Change-Id: If07712ed4fc0fde8e9b3a6c51f482ef06cea60a8
CRs-fixed: 470188
1 file changed
tree: c62e9e87e65c123865891881759fb671005b2cf4
  1. CORE/
  2. firmware_bin/
  3. riva/
  4. Android.mk
  5. Kbuild
  6. Kconfig