mca/base: add missing #include "opal/util/output.h" and <unistd.h>

Thanks Marco Atzeri for contributing the original patch

opal/mca/base/base.h

@@ -13,6 +13,8 @@
  * Copyright (c) 2009      Cisco Systems, Inc.  All rights reserved.
  * Copyright (c) 2013-2015 Los Alamos National Security, LLC. All rights
  *                         reserved.
+ * Copyright (c) 2015      Research Organization for Information Science
+ *                         and Technology (RIST). All rights reserved.
  * $COPYRIGHT$
  *
  * Additional copyrights may follow
@@ -35,6 +37,7 @@
 #include "opal/mca/base/mca_base_var.h"
 #include "opal/mca/base/mca_base_framework.h"
 #include "opal/util/cmd_line.h"
+#include "opal/util/output.h"
 
 BEGIN_C_DECLS
 

opal/mca/base/mca_base_component_repository.c

@@ -30,6 +30,9 @@
 #include <string.h>
 #include <stdlib.h>
 #include <stdio.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
 
 #include "opal/class/opal_list.h"
 #include "opal/mca/mca.h"