* need to include errno.h to get errno

This commit was SVN r11790.

ompi/mca/btl/base/btl_base_error.h

@@ -20,7 +20,10 @@
 #define MCA_BTL_BASE_ERROR_H
 
 #include "ompi_config.h"
+
+#include <errno.h>
 #include <stdio.h>
+
 #include "orte/util/proc_info.h"
 #include "orte/util/sys_info.h"