Index: mozilla/security/nss/lib/ssl/sslsnce.c
===================================================================
RCS file: /cvsroot/mozilla/security/nss/lib/ssl/sslsnce.c,v
retrieving revision 1.63
diff -p -u -r1.63 sslsnce.c
--- mozilla/security/nss/lib/ssl/sslsnce.c	14 Jun 2012 19:04:59 -0000	1.63
+++ mozilla/security/nss/lib/ssl/sslsnce.c	2 Mar 2013 00:31:22 -0000
@@ -87,6 +87,11 @@
 #include "nspr.h"
 #include "sslmutex.h"
 
+/* AES_256_KEY_LENGTH was added to blapit.h in NSS 3.12.10. */
+#ifndef AES_256_KEY_LENGTH
+#define AES_256_KEY_LENGTH      32  /* bytes */
+#endif
+
 /*
 ** Format of a cache entry in the shared memory.
 */