GraphicsMagick: Return EXIT_FAILURE rather than 1

changeset ad7d22eabbe2 in /hg/GraphicsMagick
details: http://hg.GraphicsMagick.org/hg/GraphicsMagick?cmd=changeset;node=ad7d22eabbe2
summary: Return EXIT_FAILURE rather than 1

diffstat:

 coders/png.c |  4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diffs (19 lines):

diff -r a7db52b75ed2 -r ad7d22eabbe2 coders/png.c
--- a/coders/png.c	Tue Jan 11 17:02:55 2022 -0600
+++ b/coders/png.c	Tue Jan 11 17:04:04 2022 -0600
@@ -1,5 +1,5 @@
 /*
-% Copyright (C) 2003-2021 GraphicsMagick Group
+% Copyright (C) 2003-2022 GraphicsMagick Group
 % Copyright (C) 2002 ImageMagick Studio
 % Copyright 1991-1999 E. I. du Pont de Nemours and Company
 %
@@ -1089,7 +1089,7 @@
 #else
   png_longjmp(ping,1);
 #endif
-  SignalHandlerExit(1); /* Avoid GCC warning about non-exit function which does exit */
+  SignalHandlerExit(EXIT_FAILURE); /* Avoid GCC warning about non-exit function which does exit */
 }
 
 static void PNGWarningHandler(png_struct *ping,png_const_charp message)