[PATCH 0/2] MR4048: Fix reading debuggee environment.

[eric pouech (＠epo)]

Since a81c53504ae32715e6e91bd020fdebd5bef20d48, reading the
debuggee environment could fail.

Depending on context, it could end up with no longer being
able to find ELF/Mach-O modules (as some codepaths get
the path to Wine's loader from debuggee environment).

Code was aligning read on allocation granularity, but this
can fail when not all the pages within that range are
committed. So align on page instead.