Guard routing against a null-deref. Bug 1639

[exim.git] / src / OS / os.h-GNU

diff --git a/src/OS/os.h-GNU b/src/OS/os.h-GNU
index cc4da0e3b76f5304d1ade874bad0b7840686b90e..44993163d319da42686679b02a7be987a2741ff2 100644 (file)
--- a/src/OS/os.h-GNU
+++ b/src/OS/os.h-GNU
@@ -17,4 +17,7 @@ typedef struct flock flock_t;
 
 /* Hurd-specific bits below */
 
+/* default is non-const */
+#define ICONV_ARG2_TYPE const char **
+
 /* End */