Reduce lint

*** 113,122 ****
--- 113,128 ----
  
  CPPFLAGS +=     $(CPPFLAGS_$(PROG))
  OBJS +=         $(OBJS_$(PROG))
  SRCS +=         $(SRCS_$(PROG))
  
+ # For lint, always include ptools_common.c, but suppress the "defined but
+ # not used" error, in case a given ptool doesn't need it.
+ SRCS +=         ../../common/ptools_common.c
+ LINTFLAGS +=    -xerroff=E_NAME_DEF_NOT_USED2
+ LINTFLAGS64 +=  -xerroff=E_NAME_DEF_NOT_USED2
+ 
  INSTALL_NEW=
  INSTALL_LEGACY=$(RM) $(ROOTPROCBINSYMLINK) ; \
          $(LN) -s ../../bin/$(PROG) $(ROOTPROCBINSYMLINK)
  
  .KEEP_STATE: