Fixed up the short description of wxHashMap::find().

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@61617 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

interface/wx/hashmap.h

@@ -228,7 +228,8 @@ public:
     /**
         If an element with the given key is present, the functions returns an
         iterator pointing at that element, otherwise an invalid iterator is
-        returned; i.e.
+        returned.
+
         @code
             hashmap.find( non_existent_key ) == hashmap.end()
         @endcode