Identify (and sometimes fix) remaining uses of old-style GCC name mangling in cia files - Bug 3115 Instances which don't have defined "CSM_xxx" macros are marked "// CSM needed"

EXPORTS
	Init5 @ 1 NONAME
	ChkC5 @ 2 NONAME
	BlkI5 @ 3 NONAME
	GetGeneration @ 4 NONAME
	RBlkI5 @ 5 NONAME
	SetCloseLib @ 6 NONAME