patch 9.0.1590: filetype test has trailing white space

Problem:    Filetype test has trailing white space.
Solution:   Remove trailing white space.
diff --git a/src/testdir/test_filetype.vim b/src/testdir/test_filetype.vim
index 15d2c30b..96cb686 100644
--- a/src/testdir/test_filetype.vim
+++ b/src/testdir/test_filetype.vim
@@ -768,7 +768,7 @@
           '.zcompdump', '.zlogin', '.zlogout', '.zshenv', '.zshrc',
           '.zcompdump-file', '.zlog', '.zlog-file', '.zsh', '.zsh-file',
           'any/etc/zprofile', 'zlog', 'zlog-file', 'zsh', 'zsh-file'],
-    
+
     help: [$VIMRUNTIME .. '/doc/help.txt'],
     }
 enddef
diff --git a/src/version.c b/src/version.c
index a4bf15b..fbe684a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1590,
+/**/
     1589,
 /**/
     1588,