Update net/third_party/nss to NSS 3.15.4.

net/third_party/nss/patches/ecpointform.patch

Index: net/third_party/nss/patches/ecpointform.patch
===================================================================
--- net/third_party/nss/patches/ecpointform.patch	(revision 242942)
+++ net/third_party/nss/patches/ecpointform.patch	(working copy)
@@ -1,19 +0,0 @@
-diff -pu a/nss/lib/ssl/ssl3ecc.c b/nss/lib/ssl/ssl3ecc.c
---- a/nss/lib/ssl/ssl3ecc.c	2013-07-31 12:07:10.964699464 -0700
-+++ b/nss/lib/ssl/ssl3ecc.c	2013-07-31 14:10:54.313607174 -0700
-@@ -32,6 +32,15 @@
- 
- #ifdef NSS_ENABLE_ECC
- 
-+/*
-+ * In NSS 3.13.2 the definition of the EC_POINT_FORM_UNCOMPRESSED macro
-+ * was moved from the internal header ec.h to the public header blapit.h.
-+ * Define the macro here when compiling against older system NSS headers.
-+ */
-+#ifndef EC_POINT_FORM_UNCOMPRESSED
-+#define EC_POINT_FORM_UNCOMPRESSED 0x04
-+#endif
-+
- #ifndef PK11_SETATTRS
- #define PK11_SETATTRS(x,id,v,l) (x)->type = (id); \
- 		(x)->pValue=(v); (x)->ulValueLen = (l);