user32/listbox: Clear LBS_OWNERDRAWVARIABLE if LBS_OWNERDRAWFIXED is set.

dlls/user32/listbox.c

@@ -2525,6 +2525,8 @@ static BOOL LISTBOX_Create( HWND hwnd, LPHEADCOMBO lphc )
 
     if (descr->style & LBS_OWNERDRAWFIXED)
     {
+        descr->style &= ~LBS_OWNERDRAWVARIABLE;
+
 	if( descr->lphc && (descr->lphc->dwStyle & CBS_DROPDOWN))
 	{
 	    /* WinWord gets VERY unhappy if we send WM_MEASUREITEM from here */

dlls/user32/tests/listbox.c

@@ -374,6 +374,8 @@ static void test_ownerdraw(void)
         NULL, NULL, NULL, 0);
     ok(hLB != NULL, "last error 0x%08x\n", GetLastError());
 
+    ok(GetWindowLongA(hLB, GWL_STYLE) & LBS_OWNERDRAWVARIABLE, "Unexpected window style.\n");
+
     ret = SendMessageA(hLB, LB_INSERTSTRING, -1, 0);
     ok(ret == 0, "Unexpected return value %d.\n", ret);
     ret = SendMessageA(hLB, LB_INSERTSTRING, -1, 0);
@@ -389,7 +391,6 @@ static void test_ownerdraw(void)
     ok(ret == LB_OKAY, "Failed to set item height, %d.\n", ret);
 
     ret = SendMessageA(hLB, LB_GETITEMHEIGHT, 0, 0);
-todo_wine
     ok(ret == 42, "Unexpected item height %d.\n", ret);
 
     ret = SendMessageA(hLB, LB_GETITEMHEIGHT, 1, 0);