[PATCH v2 0/4] MR7826: ntdll: Fix some more Valgrind warnings.

[Sven Baars (＠sbaars)]

--
  v2: ntdll: Avoid evaluating a possibly uninitialized variable in RtlExpandEnvironmentStrings(). (Valgrind).
      ntdll/tests: Fix some uninitialized variable warnings (Valgrind).
      ntdll/tests: Don't trace invalid pointers (Valgrind).
      ntdll/tests: Fix some string leaks (Valgrind).
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/7826