Makefile.classic: use make notation for variables
Makefile.classic: use make notation for variables

Signed-off-by: Alon Bar-Lev <bb308b7fcc6eb1364576b94f9dfcd9006c6c579d@gmail.com>

Nmishin/tc-play,veracrypt/tc-play,bwalex/tc-play,bwalex/tc-play,veracrypt/tc-play,bwalex/tc-play,Nmishin/tc-play,veracrypt/tc-play,Nmishin/tc-play