BUG/MINOR: halog: -ad/-ac report the correct number of output lines

There was a lines_out++ left from earlier code, causing each input
line to be counted as an output line.

This fix also affects 1.4 and should be backported.
diff --git a/contrib/halog/halog.c b/contrib/halog/halog.c
index 885b10d..50380f0 100644
--- a/contrib/halog/halog.c
+++ b/contrib/halog/halog.c
@@ -1121,7 +1121,6 @@
 
 	t2 = insert_value(&timers[0], tptr, val);
 	t2->count++;
-	lines_out++;
 	return;
 }