patch 8.2.2019: swap file test fails on MS-Windows

Problem:    Swap file test fails on MS-Windows.
Solution:   Add four to the process ID. (Ken Takata, closes #7333)
diff --git a/src/testdir/test_swap.vim b/src/testdir/test_swap.vim
index 4bc7309..54ba734 100644
--- a/src/testdir/test_swap.vim
+++ b/src/testdir/test_swap.vim
@@ -416,8 +416,9 @@
   " Forget about the file, recreate the swap file, then edit it again.  The
   " swap file should be automatically deleted.
   bwipe!
-  " change the process ID to avoid the "still running" warning
-  let swapfile_bytes[24] = swapfile_bytes[24] + 1
+  " Change the process ID to avoid the "still running" warning.  Must add four
+  " for MS-Windows to see it as a different one.
+  let swapfile_bytes[24] = swapfile_bytes[24] + 4
   call writefile(swapfile_bytes, swapfile_name)
   edit Xtest.scr
   " will end up using the same swap file after deleting the existing one
diff --git a/src/version.c b/src/version.c
index ebfe94c..70ebd9c 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2019,
+/**/
     2018,
 /**/
     2017,