Also do tc_core_time2big argument (long->unsigned).

tc_core_time2big only used in tc/q_netem.c where it gets passed an unsigned.
Signed-off-by: Andreas Henriksson <andreas@fatal.se>
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>

tc/tc_core.c

@@ -26,7 +26,7 @@
 static double tick_in_usec = 1;
 static double clock_factor = 1;
 
-int tc_core_time2big(long time)
+int tc_core_time2big(unsigned time)
 {
 	__u64 t = time;
 

tc/tc_core.h

@@ -6,7 +6,7 @@
 
 #define TIME_UNITS_PER_SEC	1000000
 
-int  tc_core_time2big(long time);
+int  tc_core_time2big(unsigned time);
 unsigned tc_core_time2tick(unsigned time);
 unsigned tc_core_tick2time(unsigned tick);
 unsigned tc_core_time2ktime(unsigned time);