patch 8.0.0436: running the options test sometimes resizes the terminal

Problem:    Running the options test sometimes resizes the terminal.
Solution:   Clear out t_WS.
diff --git a/src/testdir/gen_opt_test.vim b/src/testdir/gen_opt_test.vim
index 4701981..16723be 100644
--- a/src/testdir/gen_opt_test.vim
+++ b/src/testdir/gen_opt_test.vim
@@ -7,10 +7,13 @@
 
 set nomore
 
+" The terminal size is restored at the end.
+" Clear out t_WS, we don't want to resize the actual terminal.
 let script = [
       \ 'let save_columns = &columns',
       \ 'let save_lines = &lines',
       \ 'let save_term = &term',
+      \ 'set t_WS=',
       \ ]
 
 /#define p_term
diff --git a/src/version.c b/src/version.c
index 1eea36e..870b66b 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    436,
+/**/
     435,
 /**/
     434,