9884 cw(1) should use -fpic rather than -Kpic

*** 36,45 ****
          amd64/src/lib/libast
  
  include ../Makefile.com
  include ../../Makefile.lib.64
  
! # Use -KPIC since libast is too big for -Kpic on 64bit
  # (and on 32bit it is close to the barrier)
  amd64_C_PICFLAGS = $(C_BIGPICFLAGS)
  
  install: all $(ROOTLIBS64) $(ROOTLINKS64)
--- 36,45 ----
          amd64/src/lib/libast
  
  include ../Makefile.com
  include ../../Makefile.lib.64
  
! # Use big PIC since libast is too big for pic on 64bit
  # (and on 32bit it is close to the barrier)
  amd64_C_PICFLAGS = $(C_BIGPICFLAGS)
  
  install: all $(ROOTLIBS64) $(ROOTLINKS64)