Fix multiple border added

Author: Kevin Ménager

library/src/main/java/com/alamkanak/weekview/WeekView.java

@@ -904,7 +904,7 @@ top < getHeight() &&
                         mEventBackgroundPaint.setColor(mEventRects.get(i).event.getColor() == 0 ? mDefaultEventColor : mEventRects.get(i).event.getColor());
                         canvas.drawRoundRect(mEventRects.get(i).rectF, mEventCornerRadius, mEventCornerRadius, mEventBackgroundPaint);
                         drawEventTitle(mEventRects.get(i).event, mEventRects.get(i).rectF, canvas, top, left);
-                        if (previousDate == null || !isSameDay(previousDate, mEventRects.get(i).event.getStartTime())) {
+                        if (previousDate == null || previousDate.getTime().getTime() != mEventRects.get(i).event.getStartTime().getTime().getTime()) {
                             if (mShowBorderEvent) {
                                 switch (mBorderEventPosition) {
                                     case PositionType.BOTTOM: