wintrust: In SoftpubLoadSignature, don't assume a message is present.
[wine] / dlls / ntoskrnl.exe /
drwxr-xr-x   ..
-rw-r--r-- 296 Makefile.in
-rw-r--r-- 17285 ntoskrnl.c
-rw-r--r-- 60620 ntoskrnl.exe.spec