flush NMEA output file before pausing; makes named pipes much happier

diff --git a/nmea.c b/nmea.c
index 976b07c0a01b6168ef91e39912926f2a02b34e59..058544eba2eb12083cc790a60ee06221f7255ed2 100644 (file)
--- a/nmea.c
+++ b/nmea.c
@@ -769,6 +769,7 @@ nmea_trackpt_pr(const waypoint *wpt)
        time_t ymd;
 
        if ( opt_sleep ) {
+           fflush( file_out );
            if ( last_time > 0 ) {
                if ( sleepus >= 0 ) {
                    gb_sleep( sleepus );