Remove dead assignment, but why...

This assignment isn't doing anything, so it safe to remove it, but
there remains the question of whether there could have been some
actually necessary intention behind this line.

diff --git a/src/switch_channel.c b/src/switch_channel.c
index 267661a90b1f588131a56858359762d77c4f821c..7220cb8ac65ac57987880b0ee90381470a536c83 100644 (file)
--- a/src/switch_channel.c
+++ b/src/switch_channel.c
@@ -3919,8 +3919,6 @@ SWITCH_DECLARE(char *) switch_channel_expand_variables_check(switch_channel_t *c
                                                idx = atoi(ptr);
                                        }
                                        
-                                       if (!sub_val) sub_val = vname;
-
                                        if ((sub_val = (char *) switch_channel_get_variable_dup(channel, vname, SWITCH_TRUE, idx))) {
                                                if (var_list && !switch_event_check_permission_list(var_list, vname)) {
                                                        sub_val = "<Variable Expansion Permission Denied>";