tools/nxstyle.c: Add logic to detect if there is a blank line following the final right brace. sched/: Applied the modified nxstyle to all C file as a test.

sched/clock/clock_initialize.c

@@ -178,6 +178,7 @@ static void clock_inittime(void)
 #ifndef CONFIG_RTC_HIRES
   clock_basetime(&g_basetime);
 #endif
+
 #ifndef CONFIG_SCHED_TICKLESS
   g_system_timer = INITIAL_SYSTEM_TIMER_TICKS;
   if (g_system_timer > 0)
@@ -197,6 +198,7 @@ static void clock_inittime(void)
         }
     }
 #endif /* !CONFIG_SCHED_TICKLESS */
+
 #else
   clock_inittimekeeping();
 #endif

sched/clock/clock_settime.c

@@ -122,6 +122,7 @@ int clock_settime(clockid_t clock_id, FAR const struct timespec *tp)
           up_rtc_settime(tp);
         }
 #endif
+
       leave_critical_section(flags);
 
       sinfo("basetime=(%ld,%lu) bias=(%ld,%lu)\n",