Explicit marking of ignoring fprintf() result

Ensure consistent marking of '(void)' for most normal usage of fprintf()

TESTED:
'scons build-all check' passes

Signed-off-by: Fred Wright <fw@fwright.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/gpsctl.c b/gpsctl.c
index d0b75401..69d5e932 100644
--- a/gpsctl.c
+++ b/gpsctl.c
@@ -328,7 +328,7 @@ int main(int argc, char **argv)
 	    exit(EXIT_SUCCESS);
 	case 'h':
 	default:
-	    fprintf(stderr, USAGE);
+	    (void)fprintf(stderr, USAGE);
 	    break;
 	}
     }