[file-roller] rar: fixed some compiler warnings

[Paolo Bacchilega <paobac src gnome org>]

commit e25aeb637a398a6ad97c93e2f910c1e4e313d08d
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Mon Sep 9 10:06:35 2013 +0200

    rar: fixed some compiler warnings

 src/fr-command-rar.c |   14 ++++++++------
 1 files changed, 8 insertions(+), 6 deletions(-)
---
diff --git a/src/fr-command-rar.c b/src/fr-command-rar.c
index 938bf8c..2bb06bf 100644
--- a/src/fr-command-rar.c
+++ b/src/fr-command-rar.c
@@ -50,8 +50,8 @@ have_rar (void)
 
 
 static time_t
-mktime_from_string (char *date_s,
-                   char *time_s)
+mktime_from_string (const char *date_s,
+                   const char *time_s)
 {
        struct tm   tm = {0, };
        char      **fields;
@@ -121,8 +121,8 @@ static void
 parse_name_field (char         *line,
                  FrCommandRar *rar_comm)
 {
-       const char *name_field;
-       FileData   *fdata;
+       char     *name_field;
+       FileData *fdata;
 
        rar_comm->fdata = fdata = file_data_new ();
 
@@ -131,10 +131,10 @@ parse_name_field (char         *line,
        fdata->encrypted = (line[0] == '*') ? TRUE : FALSE;
 
        if (rar_comm->rar4_odd_line)
-               name_field = line + 1;
+               name_field = g_strdup (line + 1);
        else
                /* rar-5 output adds trailing spaces to short file names :( */
-               name_field = g_strchomp (_g_str_get_last_field (line, 8));
+               name_field = g_strchomp (g_strdup (_g_str_get_last_field (line, 8)));
 
        if (*name_field == '/') {
                fdata->full_path = g_strdup (name_field);
@@ -147,6 +147,8 @@ parse_name_field (char         *line,
 
        fdata->link = NULL;
        fdata->path = _g_path_remove_level (fdata->full_path);
+
+       g_free (name_field);
 }
 
 static gboolean