Create a propper stub for oleaut32.VarMod.

dlls/oleaut32/oleaut32.spec

@@ -150,7 +150,7 @@
 152 stub VarEqv # stdcall (ptr ptr ptr)
 153 stub VarIdiv # stdcall (ptr ptr ptr)
 154 stub VarImp # stdcall (ptr ptr ptr)
-155 stub VarMod # stdcall (ptr ptr ptr)
+155 stdcall VarMod(ptr ptr ptr)
 156 stdcall VarMul(ptr ptr ptr)
 157 stdcall VarOr(ptr ptr ptr)
 158 stub VarPow # stdcall (ptr ptr ptr)

dlls/oleaut32/variant.c

@@ -6265,3 +6265,13 @@ HRESULT WINAPI VarCyMulI4(CY cyIn, LONG mulBy, CY *pcyOut) {
     }
     return rc;
 }
+
+/**********************************************************************
+ *              VarMod [OLEAUT32.154]
+ *
+ */
+HRESULT WINAPI VarMod(LPVARIANT left, LPVARIANT right, LPVARIANT result)
+{
+    FIXME("%p %p %p\n", left, right, result);
+    return E_FAIL;
+}