Fixed typo.

c/src/lib/libbsp/m68k/shared/setvec.c

@@ -7,7 +7,7 @@
  *  hardware to enable/disable, mask, prioritize, etc an interrupt
  *  source, then this routine should be customized to support that.
  *
- *  COPYRIGHT (c) 1989-1998. 1997.
+ *  COPYRIGHT (c) 1989-1998.
  *  On-Line Applications Research Corporation (OAR).
  *  Copyright assigned to U.S. Government, 1994.
  *

c/src/lib/libbsp/shared/sbrk.c

@@ -6,7 +6,7 @@
  *  then this routine must be functional.  This is the default
  *  implementation which raises an error.
  *
- *  COPYRIGHT (c) 1989-1998. 1997.
+ *  COPYRIGHT (c) 1989-1998.
  *  On-Line Applications Research Corporation (OAR).
  *  Copyright assigned to U.S. Government, 1994.
  *