wsutil: Initialize and store plugin personal dir

Obviate allocation on every call to get_plugins_pers_dir().

Change-Id: I089ae499f93739d490d4552f59b5db5996f7d26f
Reviewed-on: https://code.wireshark.org/review/23495
Petri-Dish: João Valverde <j@v6e.pt>
Reviewed-by: Michael Mann <mmann78@netscape.net>
Reviewed-by: João Valverde <j@v6e.pt>

1 files changed, 1 insertions, 5 deletions

diff --git a/tshark.c b/tshark.c
index c09aee7774..ad710b8b08 100644
--- a/tshark.c
+++ b/tshark.c
@@ -613,11 +613,7 @@ about_folders(void)
 
 #if defined(HAVE_PLUGINS) || defined(HAVE_LUA)
   /* pers plugins */
-  path = get_plugins_pers_dir();
-
-  printf("%-21s\t%s\n", "Personal Plugins:", path);
-
-  g_free(path);
+  printf("%-21s\t%s\n", "Personal Plugins:", get_plugins_pers_dir());
 
   /* global plugins */
   printf("%-21s\t%s\n", "Global Plugins:", get_plugin_dir());