[tracker/wip/carlosg/coverity-warnings: 17/27] tracker: Plug leak in "tracker help" subcommand

[Carlos Garnacho <carlosg src gnome org>]

commit 2e5ccd86f70c2c88819c4ea87bd7a8e09fb22fda
Author: Carlos Garnacho <carlosg gnome org>
Date:   Sat Mar 20 13:01:21 2021 +0100

    tracker: Plug leak in "tracker help" subcommand
    
    CID: #1501118

 src/tracker/tracker-help.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)
---
diff --git a/src/tracker/tracker-help.c b/src/tracker/tracker-help.c
index efefb63e7..072d4f5a0 100644
--- a/src/tracker/tracker-help.c
+++ b/src/tracker/tracker-help.c
@@ -89,7 +89,8 @@ cmd_to_page (const char *cmd)
 int
 tracker_help_show_man_page (const char *cmd)
 {
-       const char *page = cmd_to_page (cmd);
+       char *page = cmd_to_page (cmd);
+       int retval;
 
        setup_man_path ();
 
@@ -97,6 +98,9 @@ tracker_help_show_man_page (const char *cmd)
                exec_man_cmd ("man", page);
        }
 
-       return exec_man_man ("man", page);
+       retval = exec_man_man ("man", page);
+       g_free (page);
+
+       return retval;
 }