* common.mak
* source/codepage/Makefile
+ source/codepage/cpsviso.c
+ Added SVISO, which is the same as SVWIN, except it's
internally using ISO-8859-1 CP in sync with its name.
* source/codepage/cpsvwin.c
! Changed internal CP to Windows-1252 from ISO-8859-1,
so that it's in sync with its name.