Linking fixes for Solarish systems

*** 17,27 ****
  include ../s2n.mk
  
  ifeq ($(shell uname),Darwin)
      LIBS = 
  else
!     LIBS = -ldl -lrt -lpthread
  endif
  
  LDFLAGS += -L../lib/ -ls2n ${LIBS}
  CRUFT += s2nc s2nd
  
--- 17,27 ----
  include ../s2n.mk
  
  ifeq ($(shell uname),Darwin)
      LIBS = 
  else
!     LIBS = -ldl -lrt -lpthread -lsocket -lnsl
  endif
  
  LDFLAGS += -L../lib/ -ls2n ${LIBS}
  CRUFT += s2nc s2nd