patched the lex files to not issue the following compiler warning:

'yyunput' defined but not used This commit was SVN r25246.
2011-10-10 18:13:04 +00:00 · 2011-10-10 18:13:04 +00:00 · 08b4322a1a
--- a/opal/mca/carto/file/carto_file_lex.l
+++ b/opal/mca/carto/file/carto_file_lex.l
@ -1,3 +1,5 @@
+%option nounput
+
 %{ /* -*- C -*- */
 /*
 * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
--- a/opal/util/keyval/keyval_lex.l
+++ b/opal/util/keyval/keyval_lex.l
@ -1,3 +1,5 @@
+%option nounput
+
 %{ /* -*- C -*- */
 /*
 * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
--- a/opal/util/show_help_lex.l
+++ b/opal/util/show_help_lex.l
@ -1,3 +1,5 @@
+%option nounput
+
 %{ /* -*- C -*- */
 /*
 * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
--- a/orte/mca/rmaps/rank_file/rmaps_rank_file_lex.l
+++ b/orte/mca/rmaps/rank_file/rmaps_rank_file_lex.l
@ -1,3 +1,5 @@
+%option nounput
+
 %{ /* -*- C -*- */
 /*
 * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
--- a/orte/util/hostfile/hostfile_lex.l
+++ b/orte/util/hostfile/hostfile_lex.l
@ -1,3 +1,5 @@
+%option nounput
+
 %{ /* -*- C -*- */
 /*
 * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana