5/25/87 Unprotect for VP-Planner VP-Expert

Use debug.

VP-Expert
1. Rename VPX.EXE to VPX
2. Load with debug and
   verify  cs:310 contains x'75'
   change to a x'eb'
3. Write back to disk
4. Rename VPX to VPX.EXE

VP-Planner
1. Load with debug and
   verify cs:6966 contains x'75'
   change to a x'eb'
2. Write back to disk.

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VP-Planner
1. Load with deb