Bugzilla bug #34920: use the new PR_GetMemMapAlignment() function to get the proper alignment of the offset argument to PR_MemMap.  Pass 64-bit arguments to PR_CreateFileMap and PR_MemMap.
Bugzilla bug #34920: use the new PR_GetMemMapAlignment() function to
get the proper alignment of the offset argument to PR_MemMap.  Pass
64-bit arguments to PR_CreateFileMap and PR_MemMap.

makotokato/nsprpub,makotokato/nsprpub,makotokato/nsprpub,makotokato/nsprpub,makotokato/nsprpub