Index: readline.c
===================================================================
--- readline.c	(revision 12160)
+++ readline.c	(working copy)
@@ -48,6 +48,7 @@
 #include <string.h>
 #include <pwd.h>
 #include <ctype.h>
+#include <alloca.h>
 #include <stdlib.h>
 #include <unistd.h>
 #include <limits.h>