lib: introduce print_nl

Common pattern in iproute commands is to print a line seperator
in non-json mode. Make that a simple function.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>

1 files changed, 0 insertions, 1 deletions

diff --git a/tc/tc.c b/tc/tc.c
index 4b28e9b1..c493d5e9 100644
--- a/tc/tc.c
+++ b/tc/tc.c
@@ -43,7 +43,6 @@ bool use_names;
 int json;
 int color;
 int oneline;
-const char *_SL_;
 
 static char *conf_file;