Revert "Eliminate all the calls to strlcat"

This reverts commit 0aefe731b4fd3a89c48373e9607953785c4507f2.

Conflicts:
	dir.c
	file.c
	fileio.c
	tags.c
Eliminate some warnings
Revert "Replace all the calls to unportable strlcpy with more generic things"

This reverts commit 34c12b100c2840e215d09b6c666520c7d4a0902a.

Conflicts:
	buffer.c
	dir.c
	file.c
	fileio.c
	tags.c
Fix unnecessary diff