* src/global.c (strtokeytype) - Check for lower-case 'f' for defining F-key
          sequences for consistency (previously was two checks for upper case F). Fixes
          bug 40815 reported by David Binderman <dcb314@Savannah>.



git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@4581 35c25a1d-7b9e-4130-9fde-d3aeb78583b8