'\e[c' returns an two extra bytes.

This Patch Fixes it.

diff --git a/src/tsm/tsm-vte.c b/src/tsm/tsm-vte.c
index ec8a936..43fd5b2 100644
--- a/src/tsm/tsm-vte.c
+++ b/src/tsm/tsm-vte.c
@@ -651,7 +651,7 @@ void tsm_vte_hard_reset(struct tsm_vte *vte)
 
 static void send_primary_da(struct tsm_vte *vte)
 {
-       vte_write(vte, "\e[?60;1;6;9;15c", 17);
+       vte_write(vte, "\e[?60;1;6;9;15c", 15);
 }
 
 /* execute control character (C0 or C1) */