Fix BigNumber::AsByteArray function by returning Auto_Ptr.

Remove mutex from BigNumber class - it didn't do what it was advertised to do - consider using the "locked" array outside of the function in which it was "locked".

src/server/shared/Cryptography/SHA1.cpp

@@ -50,7 +50,7 @@ void SHA1Hash::UpdateBigNumbers(BigNumber* bn0, ...)
     bn = bn0;
     while (bn)
     {
-        UpdateData(bn->AsByteArray(), bn->GetNumBytes());
+        UpdateData(bn->AsByteArray().get(), bn->GetNumBytes());
         bn = va_arg(v, BigNumber*);
     }
     va_end(v);