comctl32/datetime: Use MCM_GETRANGE result directly in DTM_GETRANGE.

dlls/comctl32/datetime.c

@@ -1555,7 +1555,6 @@ static LRESULT WINAPI
 DATETIME_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 {
     DATETIME_INFO *infoPtr = ((DATETIME_INFO *)GetWindowLongPtrW (hwnd, 0));
-    LRESULT ret;
 
     TRACE ("%x, %lx, %lx\n", uMsg, wParam, lParam);
 
@@ -1571,8 +1570,7 @@ DATETIME_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 	return DATETIME_SetSystemTime (infoPtr, wParam, (SYSTEMTIME *) lParam);
 
     case DTM_GETRANGE:
-	ret = SendMessageW (infoPtr->hMonthCal, MCM_GETRANGE, wParam, lParam);
-	return ret ? ret : 1; /* bug emulation */
+	return SendMessageW (infoPtr->hMonthCal, MCM_GETRANGE, wParam, lParam);
 
     case DTM_SETRANGE:
 	return SendMessageW (infoPtr->hMonthCal, MCM_SETRANGE, wParam, lParam);

dlls/comctl32/tests/datetime.c

@@ -404,6 +404,13 @@ static void test_dtm_set_and_get_range(void)
 
     ok_sequence(sequences, DATETIME_SEQ_INDEX, test_dtm_set_and_get_range_seq, "test_dtm_set_and_get_range", FALSE);
 
+    /* DTM_SETRANGE with 0 flags */
+    r = SendMessageA(hWnd, DTM_SETRANGE, 0, (LPARAM)st);
+    ok(r, "got %lu\n", r);
+    r = SendMessageA(hWnd, DTM_GETRANGE, 0, (LPARAM)getSt);
+    ok(r == 0, "got %lu\n", r);
+    ok(getSt[0].wYear == 0 && getSt[1].wYear == 0, "got %u, %u\n", getSt[0].wYear, getSt[1].wYear);
+
     DestroyWindow(hWnd);
 }