[PATCH 1/1] win32u: Do not set last error in wait_message() for zero count.

[Paul Gofman]

From: Paul Gofman

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=54405
---
 dlls/win32u/message.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/win32u/message.c b/dlls/win32u/message.c
index ed4198991cf..60598bbc86a 100644
--- a/dlls/win32u/message.c
+++ b/dlls/win32u/message.c
@@ -2121,7 +2121,7 @@ static DWORD wait_message( DWORD count, const HANDLE *handles, DWORD timeout, DW
                                                      mask, flags );
     if (HIWORD(ret))  /* is it an error code? */
     {
-        RtlSetLastWin32Error( RtlNtStatusToDosError(ret) );
+        if (count) RtlSetLastWin32Error( RtlNtStatusToDosError(ret) );
         ret = WAIT_FAILED;
     }
     if (ret == WAIT_TIMEOUT && !count && !timeout) NtYieldExecution();