If there is a pending Esc (e.g. from cursor-right's CSI, or from ESC-f), also eat the following character.
Fixes ESC-f reported by Christoph Naegeli.


git-svn-id: http://root.cern.ch/svn/root/trunk@39708 27541ba8-7e3a-0410-8455-c3a389f83636