Flush NMEA output as we write it.

diff --git a/nmea.c b/nmea.c
index 85ad6bfc56b3a4a05c846540a97a263c063fe058..b1a853eb57e7fc7786c47bb0567a55e7fcaf1d23 100644 (file)
--- a/nmea.c
+++ b/nmea.c
@@ -1300,6 +1300,7 @@ nmea_trackpt_pr(const waypoint *wpt)
                cksum = nmea_cksum(obuf);
                gbfprintf(file_out, "$%s*%02X\n", obuf, cksum);
        }
+        gbfflush(file_out);
 }
 
 static void