Pass dtp parameter on from DrawTextExA to DrawTextExW.

diff --git a/dlls/user/text.c b/dlls/user/text.c
index 30c784d..d4b26a3 100644
--- a/dlls/user/text.c
+++ b/dlls/user/text.c
@@ -1040,7 +1040,7 @@
             * change.  U+FFFE is guaranteed to be not a unicode character and
             * so will not be generated by DrawTextEx itself.
             */
-       ret = DrawTextExW( hdc, wstr, wcount, rect, flags, NULL );
+       ret = DrawTextExW( hdc, wstr, wcount, rect, flags, dtp );
        if (flags & DT_MODIFYSTRING)
        {
             /* Unfortunately the returned string may contain multiple \0s