10149 make latencytop smatch clean

*** 20,29 ****
--- 20,30 ----
  #
  #
  # Copyright (c) 2008-2009, Intel Corporation.
  # All Rights Reserved.
  #
+ # Copyright (c) 2018, Joyent, Inc.
  
  PROG = latencytop
  OBJS = latencytop.o display.o dwrapper.o klog.o stat.o table.o util.o
  SRCS = $(OBJS:%.o=../common/%.c)
  
*** 32,41 ****
--- 33,44 ----
  CFLAGS += $(CCVERBOSE)
  CFLAGS64 += $(CCVERBOSE)
  
  CERRWARN += -_gcc=-Wno-uninitialized
  
+ SMOFF += all_func_returns
+ 
  CPPFLAGS += -DEMBED_CONFIGS -I$(ADJUNCT_PROTO)/usr/include/glib-2.0 \
          -I$(ADJUNCT_PROTO)/usr/lib/glib-2.0/include
  CSTD = $(CSTD_GNU99)
  LDLIBS += -lcurses -ldtrace
  all install     := LDLIBS += -lglib-2.0