Bug fix for maintainer-clean

diff --git a/automake.in b/automake.in
index e361e61..efff99a 100755 (executable)
--- a/automake.in
+++ b/automake.in
@@ -920,9 +920,9 @@ sub do_one_clean_target
     {
        # Print a special warning.
        $output_rules .=
-           ('@echo "This command is intended for maintainers to use;"'
-            . "\n"
-            . '@echo "it deletes files that may require special tools to rebuild."');
+           ("\t@echo \"This command is intended for maintainers to use;\"\n"
+            . "\t@echo \"it deletes files that may require special "
+            . "tools to rebuild.\"\n");
     }
     $output_rules .= "\n";
 }