[Bug 47051] New: Excel (from Microsoft Office 365) crashes inside CreateActCtxW

https://bugs.winehq.org/show_bug.cgi?id=47051

Bug ID: 47051
           Summary: Excel (from Microsoft Office 365) crashes inside
                    CreateActCtxW
           Product: Wine
           Version: 4.6
          Hardware: x86
                OS: Linux
            Status: NEW
          Keywords: patch
          Severity: normal
          Priority: P2
         Component: kernel32
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

Created attachment 64219
  --> https://bugs.winehq.org/attachment.cgi?id=64219
crashlog

Winword and Powerpoint start fine in current git, yet Excel still crashes.
Crashlog attached. The patch below fixes the crash and makes Excel start fine
for me. Will send later to wine-devel

diff --git a/dlls/kernel32/actctx.c b/dlls/kernel32/actctx.c
index 17067ed1b4..1148ecebf0 100644
--- a/dlls/kernel32/actctx.c
+++ b/dlls/kernel32/actctx.c
@@ -114,7 +114,7 @@ done:
  *
  * Create an activation context.
  */
-HANDLE WINAPI CreateActCtxW(PCACTCTXW pActCtx)
+HANDLE WINAPI DECLSPEC_HOTPATCH CreateActCtxW(PCACTCTXW pActCtx)
 {
     NTSTATUS    status;
     HANDLE      hActCtx;

louis@debian:~/.winemsoffice2/drive_c/Program Files/Microsoft
Office/root/Office16$ sha1sum EXCEL.EXE 
da63eeba536534ae774bad192221218959f4f793  EXCEL.EXE