Update NSS to 3.21 RTM and NSPR to 4.11 RTM

nss/lib/freebl/rsa.c

Index: nss/lib/freebl/rsa.c
diff --git a/nss/lib/freebl/rsa.c b/nss/lib/freebl/rsa.c
index 780c3c77d2de721c1f1a6e1e909d3223370325b5..f1824eff9ad51e19817493ea6fab04c7319cb8a5 100644
--- a/nss/lib/freebl/rsa.c
+++ b/nss/lib/freebl/rsa.c
@@ -248,7 +248,7 @@ RSA_NewKey(int keySizeInBits, SECItem *publicExponent)
     PLArenaPool *arena = NULL;
     /* Require key size to be a multiple of 16 bits. */
     if (!publicExponent || keySizeInBits % 16 != 0 ||
-	    BAD_RSA_KEY_SIZE(keySizeInBits/8, publicExponent->len)) {
+	    BAD_RSA_KEY_SIZE((unsigned int)keySizeInBits/8, publicExponent->len)) {
 	PORT_SetError(SEC_ERROR_INVALID_ARGS);
 	return NULL;
     }