bug fixes and code cleanup

src/line_info.c

@@ -258,6 +258,10 @@ static void line_info_check_queue(ToxWindow *self)
             ++hst->start_id;
         }
     }
+
+    /* force move to bottom of history when we print an outgoing message */
+    if (line->type == OUT_MSG)
+        line_info_reset_start(self, hst);
 }
 
 #define NOREAD_FLAG_TIMEOUT 5    /* seconds before a sent message with no read receipt is flagged as unread */