patch 8.2.0333: terminal in popup test is flaky

Problem:    Terminal in popup test is flaky.
Solution:   Make sure redraw is done before opening the popup.
diff --git a/src/version.c b/src/version.c
index 42b859a..a828963 100644
--- a/src/version.c
+++ b/src/version.c
@@ -739,6 +739,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    333,
+/**/
     332,
 /**/
     331,