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-rw-r--r--win/tkWinX.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/win/tkWinX.c b/win/tkWinX.c
index a37fa0a..5457d43 100644
--- a/win/tkWinX.c
+++ b/win/tkWinX.c
@@ -171,7 +171,8 @@ TkGetServerInfo(
if (!buffer[0]) {
HANDLE handle = LoadLibraryW(L"NTDLL");
- int(*getversion)(void *) = (int(*)(void *))GetProcAddress(handle, "RtlGetVersion");
+ __stdcall int(*getversion)(void *) =
+ (__stdcall int(*)(void *))GetProcAddress(handle, "RtlGetVersion");
os.dwOSVersionInfoSize = sizeof(OSVERSIONINFOW);
if (!getversion || getversion(&os)) {
GetVersionExW(&os);