[PATCH v2] ntoskrnl: Add MmIsThisAnNtAsSystem

[Alex Henrie]

This function returns FALSE on all server and non-server versions of
Windows since XP except for Windows Server 2003.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=47578
Signed-off-by: Alex Henrie <alexhenrie24 at gmail.com>
---
v2: Remove unhelpful test
---
 dlls/ntoskrnl.exe/ntoskrnl.c        | 7 +++++++
 dlls/ntoskrnl.exe/ntoskrnl.exe.spec | 2 +-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/dlls/ntoskrnl.exe/ntoskrnl.c b/dlls/ntoskrnl.exe/ntoskrnl.c
index 92f9afab33..7ff5ab9cb9 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.c
+++ b/dlls/ntoskrnl.exe/ntoskrnl.c
@@ -2971,6 +2971,13 @@ PVOID WINAPI MmGetSystemRoutineAddress(PUNICODE_STRING SystemRoutineName)
     return pFunc;
 }
 
+/***********************************************************************
+ *           MmIsThisAnNtAsSystem   (NTOSKRNL.EXE.@)
+ */
+BOOLEAN WINAPI MmIsThisAnNtAsSystem(void)
+{
+    return FALSE;
+}
 
 /***********************************************************************
  *           MmQuerySystemSize   (NTOSKRNL.EXE.@)
diff --git a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
index 439cae3097..6f4bd88538 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
+++ b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
@@ -699,7 +699,7 @@
 @ stub MmIsDriverVerifying
 @ stub MmIsNonPagedSystemAddressValid
 @ stub MmIsRecursiveIoFault
-@ stub MmIsThisAnNtAsSystem
+@ stdcall MmIsThisAnNtAsSystem()
 @ stub MmIsVerifierEnabled
 @ stub MmLockPagableDataSection
 @ stub MmLockPagableImageSection
-- 
2.22.0