Use fshut() to properly flush the output stream

For small images, it could happen that the output stream would not be
flushed before exit(), resulting in a lack of error-reporting on
a full device. Using fflush(), a function I first introduced in sbase,
we do the flushing before returning manually and report errors if they
occurred.

1 files changed, 1 insertions, 1 deletions

diff --git a/png2ff.c b/png2ff.c
index dd9073c..d76d707 100644
--- a/png2ff.c
+++ b/png2ff.c
@@ -107,5 +107,5 @@ main(int argc, char *argv[])
 	/* clean up */
 	png_destroy_read_struct(&pngs, &pngi, NULL);
 
-	return 0;
+	return fshut(stdout, "<stdout>");
 }