add --with-rundir configure param and -run freeswitch runtime param to adjust the location of the pid file (FSBUILD-188)

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@14768 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/include/switch_types.h

@@ -358,6 +358,7 @@ struct switch_directories {
 	char *mod_dir;
 	char *conf_dir;
 	char *log_dir;
+	char *run_dir;
 	char *db_dir;
 	char *script_dir;
 	char *temp_dir;