diff -ur libssh-0.4.0.orig/libssh/kex.c libssh-0.4.0/libssh/kex.c
--- libssh-0.4.0.orig/libssh/kex.c	2010-02-10 19:09:22.000000000 +0200
+++ libssh-0.4.0/libssh/kex.c	2010-02-10 19:09:39.000000000 +0200
@@ -40,6 +40,7 @@
 #include "libssh/wrapper.h"
 #include "libssh/keys.h"
 #include "libssh/dh.h"
+#include "libssh/string.h"
 
 #ifdef HAVE_LIBGCRYPT
 #define BLOWFISH "blowfish-cbc,"
diff -ur libssh-0.4.0.orig/libssh/keys.c libssh-0.4.0/libssh/keys.c
--- libssh-0.4.0.orig/libssh/keys.c	2010-02-10 20:08:30.000000000 +0200
+++ libssh-0.4.0/libssh/keys.c	2010-02-10 20:09:04.000000000 +0200
@@ -36,6 +36,7 @@
 #include "libssh/keys.h"
 #include "libssh/dh.h"
 #include "libssh/messages.h"
+#include "libssh/string.h"
 
 /** \addtogroup ssh_auth
  * @{