Warning cleanup.

diff --git a/gpsbabel/jeeps/gpsserial.c b/gpsbabel/jeeps/gpsserial.c
index 31d99860ceca11e5678031bfb1ce762935882ace..60b62545f53483a63df3782fcd34c1e2a4fc5775 100644 (file)
--- a/gpsbabel/jeeps/gpsserial.c
+++ b/gpsbabel/jeeps/gpsserial.c
@@ -85,7 +85,7 @@ int32 GPS_Serial_On(const char *port, int32 *fd)
 
        if (gps_is_usb) {
            switch (gusb_open(port)) {
-                   case 0: return NULL;
+                   case 0: return 0;
                    case 1: return 1;
                    case 2: exit(0);
            }