patch 8.2.0663: not all systemd temp files are recognized

Problem:    Not all systemd temp files are recognized.
Solution:   Add two more patterns. (Jamie Macdonald, closes #6003)
diff --git a/runtime/filetype.vim b/runtime/filetype.vim
index d5d8115..9fe4ecf 100644
--- a/runtime/filetype.vim
+++ b/runtime/filetype.vim
@@ -1,7 +1,7 @@
 " Vim support file to detect file types
 "
 " Maintainer:	Bram Moolenaar <Bram@vim.org>
-" Last Change:	2020 Apr 17
+" Last Change:	2020 Apr 29
 
 " Listen very carefully, I will say this only once
 if exists("did_load_filetypes")
@@ -1650,7 +1650,9 @@
 au BufNewFile,BufRead */.config/systemd/user/*.d/*.conf	setf systemd
 " Systemd temp files
 au BufNewFile,BufRead */etc/systemd/system/*.d/.#*	setf systemd
+au BufNewFile,BufRead */etc/systemd/system/.#*		setf systemd
 au BufNewFile,BufRead */.config/systemd/user/*.d/.#*	setf systemd
+au BufNewFile,BufRead */.config/systemd/user/.#*	setf systemd
 
 " Synopsys Design Constraints
 au BufNewFile,BufRead *.sdc			setf sdc
diff --git a/src/testdir/test_filetype.vim b/src/testdir/test_filetype.vim
index 33fcfd7..e71ccd4 100644
--- a/src/testdir/test_filetype.vim
+++ b/src/testdir/test_filetype.vim
@@ -438,7 +438,7 @@
     \ 'swiftgyb': ['file.swift.gyb'],
     \ 'sil': ['file.sil'],
     \ 'sysctl': ['/etc/sysctl.conf', '/etc/sysctl.d/file.conf'],
-    \ 'systemd': ['any/systemd/file.automount', 'any/systemd/file.mount', 'any/systemd/file.path', 'any/systemd/file.service', 'any/systemd/file.socket', 'any/systemd/file.swap', 'any/systemd/file.target', 'any/systemd/file.timer', '/etc/systemd/system/some.d/file.conf', '/etc/systemd/system/some.d/.#file', '/home/user/.config/systemd/user/some.d/mine.conf', '/home/user/.config/systemd/user/some.d/.#file'],
+    \ 'systemd': ['any/systemd/file.automount', 'any/systemd/file.mount', 'any/systemd/file.path', 'any/systemd/file.service', 'any/systemd/file.socket', 'any/systemd/file.swap', 'any/systemd/file.target', 'any/systemd/file.timer', '/etc/systemd/system/some.d/file.conf', '/etc/systemd/system/some.d/.#file', '/etc/systemd/system/.#otherfile', '/home/user/.config/systemd/user/some.d/mine.conf', '/home/user/.config/systemd/user/some.d/.#file', '/home/user/.config/systemd/user/.#otherfile'],
     \ 'systemverilog': ['file.sv', 'file.svh'],
     \ 'tags': ['tags'],
     \ 'tak': ['file.tak'],
diff --git a/src/version.c b/src/version.c
index df2fd1f..e90c884 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    663,
+/**/
     662,
 /**/
     661,