patch 8.0.1171: popup test is still a bit flaky

Problem:    Popup test is still a bit flaky.
Solution:   Change term_wait() calls. (Ozaki Kiichi)
diff --git a/src/version.c b/src/version.c
index d809ba9..925a6cd 100644
--- a/src/version.c
+++ b/src/version.c
@@ -762,6 +762,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1171,
+/**/
     1170,
 /**/
     1169,