patch 8.2.3828: when opening a terminal from a timer first typed char is lost

Problem:    when opening a terminal from a timer the first typed character
            is lost. (Virginia Senioria)
Solution:   When opening a terminal while waiting for a character put K_IGNORE
            in the input buffer.

src/version.c

@@ -749,6 +749,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    3828,
 /**/
     3827,
 /**/