Previously, this was implemented incorrectly because `tcb.mspace` was
set just *before* jumping to the program's entry point. However,
`alloc_init` is called when the init functions are run for `libc.so`, so
`tcb.mspace` must be initialized *before* the init functions are
run.
Signed-off-by: Anhad Singh <andypython@protonmail.com>
auronandace