Add --enable-logit to configure, disabled by default

Since sysklogd now ships an excellent enhanced logger tool there is no
need for Finit to provide its own tool for the same purpose by default.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>

src/Makefile.am

@@ -8,15 +8,17 @@ else
 AM_LDFLAGS         = -export-dynamic
 endif
 
-bin_PROGRAMS       = logit
 sbin_PROGRAMS      = finit initctl reboot
 pkglibexec_SCRIPTS = cgreaper.sh
 if WATCHDOGD
 pkglibexec_PROGRAMS = watchdogd
 endif
 
+if LOGIT
+bin_PROGRAMS       = logit
 logit_SOURCES      = logit.c
 logit_CFLAGS       = -W -Wall -Wextra -Wno-unused-parameter -std=gnu99
+endif
 
 finit_SOURCES      = api.c	cgroup.c	cgroup.h	\
 		     cond.c	cond-w.c	cond.h		\