don't pass in lint libraries which no longer exist

*** 37,50 ****
  include ../../Makefile.cmd
  include ../Makefile.ssh-common
  
  LDLIBS += $(SSH_COMMON_LDLIBS) -lsocket \
          -lnsl \
-         -lz \
-         -lcrypto \
          -lgss
  
  POFILE_DIR= ..
  
  .KEEP_STATE:
  
  .PARALLEL: $(OBJS)
--- 37,52 ----
  include ../../Makefile.cmd
  include ../Makefile.ssh-common
  
  LDLIBS += $(SSH_COMMON_LDLIBS) -lsocket \
          -lnsl \
          -lgss
  
+ # libcrypto and libz have no lint libraries, so we can only use them when
+ # building
+ $(PROG) := LDLIBS += -lcrypto -lz
+ 
  POFILE_DIR= ..
  
  .KEEP_STATE:
  
  .PARALLEL: $(OBJS)