wlan: fix warnings due to revised abstracted types

Change "wlan: use correct base type for abstracted types" fixed the
definitions of some abstracted types so that they are appropriate for
both ILP32 and LP64 architectures.  However these changes introduced
some compiler warnings in places where the compiler is detecting
mismatches between int and long base types.  Fix those compiler
warnings by modifying the code to match the new underlying base types.

Change-Id: Ibd6de39e98fe21e0cadf19aa781893fd4c7b879a
CRs-fixed: 567110