[libsecret] tool: s/--details/--unlock/ in search usage message

[Ville Skyttä <vskytta src gnome org>]

commit 261c0cd969cf7d9db26c7295dc44dbb00ffa4993
Author: Ville Skyttä <ville skytta iki fi>
Date:   Sun Oct 15 00:32:33 2017 +0300

    tool: s/--details/--unlock/ in search usage message

 tool/secret-tool.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/tool/secret-tool.c b/tool/secret-tool.c
index 770a833..c994bfb 100644
--- a/tool/secret-tool.c
+++ b/tool/secret-tool.c
@@ -68,7 +68,7 @@ usage (void)
        g_printerr ("usage: secret-tool store --label='label' attribute value ...\n");
        g_printerr ("       secret-tool lookup attribute value ...\n");
        g_printerr ("       secret-tool clear attribute value ...\n");
-       g_printerr ("       secret-tool search [--all] [--details] attribute value ...\n");
+       g_printerr ("       secret-tool search [--all] [--unlock] attribute value ...\n");
        exit (2);
 }