cast: New macro NULL_SENTINEL.

[pspp] / src / ui / gui / main.c

diff --git a/src/ui/gui/main.c b/src/ui/gui/main.c
index a78d248aeb38e0301e8706455e4767f0856a9255..0c88204ae1469347daf7b25347cb4873883f8eec 100644 (file)
--- a/src/ui/gui/main.c
+++ b/src/ui/gui/main.c
@@ -23,6 +23,7 @@
 
 #include "libpspp/argv-parser.h"
 #include "libpspp/assertion.h"
+#include "libpspp/cast.h"
 #include "libpspp/getl.h"
 #include "libpspp/version.h"
 #include "libpspp/copyleft.h"
@@ -145,7 +146,7 @@ startup_option_callback (int id, void *show_splash_)
     case OPT_VERSION:
       version_etc (stdout, "psppire", PACKAGE_NAME, PACKAGE_VERSION,
                    "Ben Pfaff", "John Darrington", "Jason Stover",
-                   NULL);
+                   NULL_SENTINEL);
       exit (EXIT_SUCCESS);
 
     case OPT_NO_SPLASH: