patch 8.0.0963: terminal test fails on MacOS

Problem:    Terminal test fails on MacOS. (chdiza)
Solution:   Wait for the shell to echo the characters. (closes #1991)
diff --git a/src/version.c b/src/version.c
index 1ba0073..e6626cb 100644
--- a/src/version.c
+++ b/src/version.c
@@ -770,6 +770,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    963,
+/**/
     962,
 /**/
     961,