comctl32: For multiselect monthcal control send MCN_SELCHANGE notification on WM_LBUTTONDOWN event.

dlls/comctl32/monthcal.c

@@ -2258,7 +2258,8 @@ MONTHCAL_LButtonDown(MONTHCAL_INFO *infoPtr, LPARAM lParam)
     MONTHCAL_SetSelRange(infoPtr, st);
 
     infoPtr->status = MC_SEL_LBUTDOWN;
-    MONTHCAL_SetDayFocus(infoPtr, &ht.st);
+    if (MONTHCAL_SetDayFocus(infoPtr, &ht.st) && (infoPtr->dwStyle & MCS_MULTISELECT))
+        MONTHCAL_NotifySelectionChange(infoPtr);
     return 0;
   }
   }

dlls/comctl32/tests/monthcal.c

@@ -2042,7 +2042,6 @@ static void test_sel_notify(void)
         got_MCN_SELECT = got_MCN_SELCHANGE = FALSE;
         SendMessageA(hwnd, WM_LBUTTONDOWN, 0, MAKELPARAM(mchit.pt.x, mchit.pt.y));
         if (styles[i].val & MCS_MULTISELECT)
-todo_wine
             ok(got_MCN_SELCHANGE, "%d: MCN_SELCHANGE should be sent\n", i);
         else
             ok(!got_MCN_SELCHANGE, "%d: MCN_SELCHANGE should not be sent\n", i);