* utils/hbmk2/hbmk2.prg
- Deleted supc++ lib from os2/gcc targets.
It causes warnings like this:
---
emxomf warning: Undefined stabs type 182 referenced
emxomf info: parsing sym no.676 type=1 at char 'xyz' in position 12:context:p182
emxomf warning: Cycle detected by make_type.
---
; TODO: Check if C++ built Harbour works with hbmk2 in (default) C mode.
cba7ff3feb