mailinfo: iconv does not like "latin-1" -- should spell it "latin1"
mailinfo: iconv does not like "latin-1" -- should spell it "latin1"

This was a stupid typo that did not follow

	http://www.iana.org/assignments/character-sets

Long noticed but neglected by JC, but finally reported by
Marco.

Signed-off-by: Junio C Hamano <dc50d1021234060e53ec42a77d526afa2fe07479@cox.net>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git