Avoid missing return warning in pp_die.

Even though it can't be reached, the absence of a return statement
makes the VMS C compiler warn that it's missing.

1 files changed, 1 insertions, 0 deletions

diff --git a/pp_sys.c b/pp_sys.c
index ca6bbe7fd2..a34df6384f 100644
--- a/pp_sys.c
+++ b/pp_sys.c
@@ -521,6 +521,7 @@ PP(pp_die)
     }
     die_sv(exsv);
     NOT_REACHED; /* NOTREACHED */
+    return NULL; /* avoid missing return from non-void function warning */
 }
 
 /* I/O. */