[gcc(refs/users/meissner/heads/work076)] Fix -Werror=format-diag error with --disable-plugin.

[Michael Meissner]

https://gcc.gnu.org/g:07424962f29fea7010aa29aa28d00b4cd4fbc157

commit 07424962f29fea7010aa29aa28d00b4cd4fbc157
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Thu Jan 20 15:43:27 2022 -0500

    Fix -Werror=format-diag error with --disable-plugin.
    
    gcc/
    2022-01-20  Michael Meissner  <meissner@the-meissners.org>
    
            * opts-global.cc (handle_common_deferred_options): Add %< and %>
            quoting.

Diff:
---
 gcc/opts-global.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gcc/opts-global.cc b/gcc/opts-global.cc
index 0a17896cbb1..05d75530c85 100644
--- a/gcc/opts-global.cc
+++ b/gcc/opts-global.cc
@@ -417,7 +417,7 @@ handle_common_deferred_options (void)
 #ifdef ENABLE_PLUGIN
 	  add_new_plugin (opt->arg);
 #else
-	  error ("plugin support is disabled; configure with --enable-plugin");
+	  error ("plugin support is disabled; configure with %<--enable-plugin%>");
 #endif
 	  break;
 
@@ -425,7 +425,7 @@ handle_common_deferred_options (void)
 #ifdef ENABLE_PLUGIN
 	  parse_plugin_arg_opt (opt->arg);
 #else
-	  error ("plugin support is disabled; configure with --enable-plugin");
+	  error ("plugin support is disabled; configure with %<--enable-plugin%>");
 #endif
 	  break;