patch 8.0.0323: one second pause when running cmdline test

Problem:    When running the command line tests there is a one second wait.
Solution:   Change an Esc to Ctrl-C. (Yegappan Lakshmanan)
diff --git a/src/testdir/test_cmdline.vim b/src/testdir/test_cmdline.vim
index 0a5c910..b2beb68 100644
--- a/src/testdir/test_cmdline.vim
+++ b/src/testdir/test_cmdline.vim
@@ -353,7 +353,7 @@
   call feedkeys("?MyCmd a\<C-R>=Check_cmdline('?')\<CR>\<Esc>", "xt")
 
   call feedkeys(":call input('Answer?')\<CR>", "t")
-  call feedkeys("MyCmd a\<C-R>=Check_cmdline('@')\<CR>\<Esc>", "xt")
+  call feedkeys("MyCmd a\<C-R>=Check_cmdline('@')\<CR>\<C-C>", "xt")
 
   call feedkeys(":insert\<CR>MyCmd a\<C-R>=Check_cmdline('-')\<CR>\<Esc>", "xt")
 
diff --git a/src/version.c b/src/version.c
index c1a5186..a6dbe99 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    323,
+/**/
     322,
 /**/
     321,