(case_GETOPT_VERSION_CHAR): Cast NULL to `(char *)' in

call to variadic version_etc function, so that it works even on systems
for which sizeof char* != sizeof int.

diff --git a/src/sys2.h b/src/sys2.h
index 683ddb4..fc72254 100644 (file)
--- a/src/sys2.h
+++ b/src/sys2.h
@@ -476,7 +476,8 @@ enum
 
 #define case_GETOPT_VERSION_CHAR(Program_name, Authors)                        \
   case GETOPT_VERSION_CHAR:                                            \
-    version_etc (stdout, Program_name, PACKAGE, VERSION, Authors, NULL);\
+    version_etc (stdout, Program_name, PACKAGE, VERSION, Authors,      \
+                 (char *) NULL);                                       \
     exit (EXIT_SUCCESS);                                               \
     break;