show script search dirs in debug log

Add this to ease debugging why the standard scripts aren't
found on the default script search path in some build/install
enviroments. Especially on Windows it's not straight forward
where openocd actually looks for the scripts.

Signed-off-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>

src/helper/configuration.c

@@ -41,6 +41,8 @@ void add_script_search_dir (const char *dir)
 
 	script_search_dirs[num_script_dirs-1] = strdup(dir);
 	script_search_dirs[num_script_dirs] = NULL;
+
+	LOG_DEBUG("adding %s", dir);
 }
 
 void add_config_command (const char *cfg)