- should have been fixed when libwine.so has been removed
- code was broken anyway
- enhanced protect against error when reading debuggee's memory

Introducing helper to correctly read pointer's from debuggee
(and other integral values).

vdso is now listed in ELF's module list (except if Wine's preloader
removes it from auxilary vector)
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>