secur32: Don't set the output buffer type in NTLM's IntializeSecurityContextA/W.

dlls/secur32/ntlm.c

@@ -657,7 +657,6 @@ static SECURITY_STATUS SEC_ENTRY ntlm_InitializeSecurityContextW(
     }
 
     pOutput->pBuffers[0].cbBuffer = bin_len;
-    pOutput->pBuffers[0].BufferType = SECBUFFER_DATA;
     memcpy(pOutput->pBuffers[0].pvBuffer, bin, bin_len);
 
     if(ret == SEC_E_OK)

dlls/secur32/tests/ntlm.c

@@ -465,6 +465,8 @@ static SECURITY_STATUS runClient(SspiData *sspi_data, BOOL first, ULONG data_rep
             ret = SEC_E_OK;
     }
 
+    ok(out_buf->pBuffers[0].BufferType == SECBUFFER_TOKEN,
+       "buffer type was changed from SECBUFFER_TOKEN to %ld\n", out_buf->pBuffers[0].BufferType);
     ok(out_buf->pBuffers[0].cbBuffer < sspi_data->max_token,
        "InitializeSecurityContext set buffer size to %lu\n", out_buf->pBuffers[0].cbBuffer);