patch 8.1.0430: Xargadd file left behind after running test

Problem:    Xargadd file left behind after running test.
Solution:   Delete the file. (Dominique Pelle)
diff --git a/src/testdir/test_arglist.vim b/src/testdir/test_arglist.vim
index c558aab..057cb0d 100644
--- a/src/testdir/test_arglist.vim
+++ b/src/testdir/test_arglist.vim
@@ -94,6 +94,7 @@
   call assert_equal('Xargadd', bufname('%'))
   call assert_equal(2, line('$'))
 
+  call delete('Xargadd')
   %argd
   bwipe!
 endfunc
diff --git a/src/version.c b/src/version.c
index c62e484..7ca18bc 100644
--- a/src/version.c
+++ b/src/version.c
@@ -795,6 +795,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    430,
+/**/
     429,
 /**/
     428,