vbscript: Fix handling zero and negative number arguments in err.raise.

dlls/vbscript/global.c

@@ -3148,7 +3148,7 @@ static HRESULT Err_Raise(BuiltinDisp *This, VARIANT *args, unsigned args_cnt, VA
     hres = to_int(args, &code);
     if(FAILED(hres))
         return hres;
-    if(code > 0 && code > 0xffff)
+    if(code == 0 || code > 0xffff)
         return E_INVALIDARG;
 
     if(args_cnt >= 2)

dlls/vbscript/tests/api.vbs

@@ -1856,13 +1856,29 @@ end sub
 sub testErrRaise()
     on error resume next
     call ok(err.number = 0, "err.number = " & err.number)
+    err.raise 0
+    call ok(err.number = 5, "err.number = " & err.number)
     err.raise 1
     call ok(err.number = 1, "err.number = " & err.number)
     err.raise
     call ok(err.number = 450, "err.number = " & err.number)
     call testErrNumber(450)
+    err.raise &h8000
+    call ok(err.number = -32768, "err.number = " & err.number)
+    err.raise &hffff
+    call ok(err.number = -1, "err.number = " & err.number)
     err.raise &h10000&
     call ok(err.number = 5, "err.number = " & err.number)
+    err.raise -3000000000
+    call ok(err.number = 6, "err.number = " & err.number)
+    err.raise -1
+    call ok(err.number = -1, "err.number = " & err.number)
+    err.raise -20
+    call ok(err.number = -20, "err.number = " & err.number)
+    err.raise -&hfff0
+    call ok(err.number = 16, "err.number = " & err.number)
+    err.raise -&h8000
+    call ok(err.number = 32768, "err.number = " & err.number)
 
     err.clear
     call ok(getVT(err.source) = "VT_BSTR", "err.source = " & err.source)