* config/globsh.mk
+ Switched os2 $(CP) command to use config/os2-cp.exe.
* config/instsh.mk
+ Changed os2 install rule to the one used for dos shells except dirsep type.
Based on real OS/2 tests made by Maurilio Longo. Thank you very much.
This also means CMDPREF.
! Typos in my comment.
* source/pp/Makefile
! Fixed to also check presence of hbpp object before trying to
delete it. It may not be there in some rare chain of (failure) events.