Move MONGOC_ENABLE_SASL_SSPI guard up in mongoc-cluster-sspi.c
#include "mongoc-config.h"
+#ifdef MONGOC_ENABLE_SASL_SSPI
+
#include "mongoc-cluster-sspi-private.h"
#include "mongoc-cluster-sasl-private.h"
#include "mongoc-sspi-private.h"
#include "mongoc-error.h"
#include "mongoc-util-private.h"
-#ifdef MONGOC_ENABLE_SASL_SSPI
/*
