Fixing crash in SwipeListViewTouchListener

I configured my swipeListView as to have one cell to be swipable. Plus,
the user can open this one by long-press or swipe.

When opened, and trying to long-press on the front view it led to this
crash.
Crash in SwipeListViewTouchListener, issue #162

I configured my swipeListView as to have one cell to be swipable. Plus,
the user can open this one by long-press or swipe.

When opened, and trying to long-press on the front view it led to this
crash.
code formatting
Merge pull request #163 from Tibolte/master

Fix for issue #162