Fix some qdoc warnings: broken links

We can't split a \l{Class::}member over two lines.

Change-Id: Id4806402ab349fd20fbf65eee9502e2d08e21dc5
Reviewed-by: Paul Wicking <paul.wicking@qt.io>

src/widgets/itemviews/qabstractitemview.cpp

@@ -3712,10 +3712,9 @@ void QAbstractItemView::startDrag(Qt::DropActions supportedActions)
     Initialize the \a option structure with the view's palette, font, state,
     alignments etc.
 
-    \note Implementations of this methods should check the \l{QStyleOption::}
-    version of the structure received, populate all members the implementation
-    is familiar with, and set the version member to the one supported by the
-    implementation before returning.
+    \note Implementations of this methods should check the \l{QStyleOption::}version
+    of the structure received, populate all members the implementation is familiar with,
+    and set the version member to the one supported by the implementation before returning.
 */
 void QAbstractItemView::initViewItemOption(QStyleOptionViewItem *option) const
 {

src/widgets/widgets/qdatetimeedit.cpp

@@ -368,7 +368,7 @@ void QDateTimeEdit::setCalendar(QCalendar calendar)
   minimumTime properties to the date and time parts of this property,
   respectively. When setting this property, the \l maximumDateTime is adjusted,
   if necessary, to ensure that the range remains valid. Otherwise, changing this
-  property preserves the \l minimumDateTime property.
+  property preserves the \l maximumDateTime property.
 
   This property can only be set to a valid QDateTime value. The earliest
   date-time that setMinimumDateTime() accepts is the start of 100 CE. The