Replace exit(2) with exit(EXIT_FAILURE). None of these were documented.

This is a separate commit so we can revert it someday if making the
distinction again comes to seem more important than struct mingw
portability.

All regression tests pass.

1 files changed, 1 insertions, 1 deletions

diff --git a/cgps.c b/cgps.c
index 5596fa7c..c32d1154 100644
--- a/cgps.c
+++ b/cgps.c
@@ -790,7 +790,7 @@ int main(int argc, char *argv[])
 	(void)fprintf(stderr,
 		      "cgps: no gpsd running or network error: %d, %s\n",
 		      errno, gps_errstr(errno));
-	exit(2);
+	exit(EXIT_FAILURE);
     }
 
     /* note: we're assuming BSD-style reliable signals here */