Update NSS to 3.38

- Added HACL*Poly1305 32-bit (INRIA/Microsoft)
- Updated to final TLS 1.3 draft version (28)
- Removed TLS 1.3 prerelease draft limit check
- Removed NPN code
- Enabled dev/urandom-only RNG on Linux with NSS_SEED_ONLY_DEV_URANDOM for non-standard environments
- Fixed several bugs with TLS 1.3 negotiation
- Updated internal certificate store
- Added support for the TLS Record Size Limit Extension.
- Fixed CVE-2018-0495
- Various security fixes in the ASN.1 code.

security/nss/cmd/lowhashtest/lowhashtest.c

@@ -390,7 +390,7 @@ testSHA512(NSSLOWInitContext *initCtx)
 }
 
 static void
-Usage(char *progName)
+Usage()
 {
     fprintf(stderr, "Usage: %s [algorithm]\n",
             progName);
@@ -436,7 +436,7 @@ main(int argc, char **argv)
         rv += testSHA512(initCtx);
     } else {
         SECU_PrintError(progName, "Unsupported hash type %s\n", argv[0]);
-        Usage(progName);
+        Usage();
     }
 
     NSSLOW_Shutdown(initCtx);