This is needed, because symbol addresses in dwarf2 debug info are already relocated.

dbghelp: Fix up load_offset to work in case the load offset is different for real binary and debug link file.

Make sidx signed so sidx < 0 comparisons work.
(most of the patch written by Eric Pouech)

advapi32: Fix a failing test on Windows caused by the existence of one SID that always has no associated account.

kernel32: GlobalMemoryStatusEx: always report at least 1 byte of virtual memory even if none is available.

kernel32: GlobalMemoryStatusEx: return the size of physical memory + swapsize in ullTotalPageFile/ullAvailPageFile.

Fix the NULL deref that occured when blitting to offscreen targets and
select the proper gl drawing buffer instead.

This change was triggered because of a bug in libsane-hpaio.so, namely
that it relies on libsane.so being dlopen'd RTLD_GLOBAL so that
sanei_init_debug can be resolved.

user32: Add several more MsgWaitForMultipleObjects tests and split them out from the main message tests.

include: Add a definition for REGCLS_SURROGATE and add declarations for CoRegisterSurrogate and CoGetObjectContext.