patch 8.1.0015: cursor color wrong when closing a terminal window

Problem:    Cursor color wrong when closing a terminal window, ending up in
            another terminal window. (Dominique Pelle)
Solution:   Bail out of terminal_loop() when the buffer changes.
            (closes #2942)
diff --git a/src/version.c b/src/version.c
index 41973d7..d1a75a1 100644
--- a/src/version.c
+++ b/src/version.c
@@ -762,6 +762,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    15,
+/**/
     14,
 /**/
     13,