riched32/tests: Fix test failures on Win9x, WinMe and NT4.

dlls/riched32/tests/editor.c

@@ -768,7 +768,9 @@ static void test_EM_POSFROMCHAR(void)
     if (i == 0)
     {
       ok(pl.y == 0, "EM_POSFROMCHAR reports y=%d, expected 0\n", pl.y);
-      ok(pl.x == 1, "EM_POSFROMCHAR reports x=%d, expected 1\n", pl.x);
+      ok(pl.x == 1 ||
+          broken(pl.x == 0), /* Win9x, WinME and NT4 */
+          "EM_POSFROMCHAR reports x=%d, expected 1\n", pl.x);
       xpos = pl.x;
     }
     else if (i == 1)
@@ -829,7 +831,9 @@ static void test_EM_POSFROMCHAR(void)
   result = SendMessage(hwndRichEdit, EM_POSFROMCHAR, (WPARAM)&pl, 0);
   ok(result == 0, "EM_POSFROMCHAR returned %ld, expected 0\n", result);
   ok(pl.y == 0, "EM_POSFROMCHAR reports y=%d, expected 0\n", pl.y);
-  ok(pl.x == 1, "EM_POSFROMCHAR reports x=%d, expected 1\n", pl.x);
+  ok(pl.x == 1 ||
+      broken(pl.x == 0), /* Win9x, WinME and NT4 */
+      "EM_POSFROMCHAR reports x=%d, expected 1\n", pl.x);
   xpos = pl.x;
 
   SendMessage(hwndRichEdit, WM_HSCROLL, SB_LINERIGHT, 0);
@@ -838,7 +842,9 @@ static void test_EM_POSFROMCHAR(void)
   ok(pl.y == 0, "EM_POSFROMCHAR reports y=%d, expected 0\n", pl.y);
   todo_wine {
   /* Fails on builtin because horizontal scrollbar is not being shown */
-  ok(pl.x < xpos, "EM_POSFROMCHAR reports x=%hd, expected value less than %d\n", pl.x, xpos);
+  ok(pl.x < xpos ||
+      broken(pl.x == xpos), /* Win9x, WinME and NT4 */
+      "EM_POSFROMCHAR reports x=%hd, expected value less than %d\n", pl.x, xpos);
   }
   DestroyWindow(hwndRichEdit);
 }