Add a header.

This commit was SVN r8552.

ompi/tools/ompi_info/output.cc

@@ -33,6 +33,7 @@
 #ifdef HAVE_SYS_IOCTL_H
 #include <sys/ioctl.h>
 #endif
+#include <io.h>
 
 #include "tools/ompi_info/ompi_info.h"
 
@@ -49,7 +50,6 @@ using namespace ompi_info;
 static int centerpoint = 24;
 static int screen_width = 78;
 
-
 // 
 // Prints the passed strings in a pretty or parsable format.
 //