patch 9.1.0886: filetype: debian control file not detected

Problem:  filetype: debian control file not detected
Solution: detect 'debian/control' files as debcontrol filetype
          (author)

closes: #16067

Signed-off-by: Wu, Zhenyu <wuzhenyu@ustc.edu>
Signed-off-by: James McCoy <jamessan@debian.org>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/filetype.vim b/runtime/filetype.vim
index ef8c0e9..08290d0 100644
--- a/runtime/filetype.vim
+++ b/runtime/filetype.vim
@@ -1,7 +1,7 @@
 " Vim support file to detect file types
 "
 " Maintainer:	The Vim Project <https://github.com/vim/vim>
-" Last Change:	2024 Nov 19
+" Last Change:	2024 Nov 24
 " Former Maintainer:	Bram Moolenaar <Bram@vim.org>
 
 " Listen very carefully, I will say this only once
@@ -646,9 +646,9 @@
 au BufRead,BufNewfile *.dart,*.drt		setf dart
 
 " Debian Control
-au BufNewFile,BufRead */debian/control		setf debcontrol
+au BufNewFile,BufRead */{debian,DEBIAN}/control		setf debcontrol
 au BufNewFile,BufRead control
-	\  if getline(1) =~ '^Source:'
+	\  if getline(1) =~ '^Source:\|^Package:'
 	\|   setf debcontrol
 	\| endif
 
diff --git a/src/testdir/test_filetype.vim b/src/testdir/test_filetype.vim
index 001a970..4a905a8 100644
--- a/src/testdir/test_filetype.vim
+++ b/src/testdir/test_filetype.vim
@@ -211,7 +211,7 @@
     datascript: ['file.ds'],
     dcd: ['file.dcd'],
     debchangelog: ['changelog.Debian', 'changelog.dch', 'NEWS.Debian', 'NEWS.dch', '/debian/changelog'],
-    debcontrol: ['/debian/control', 'any/debian/control'],
+    debcontrol: ['/debian/control', 'any/debian/control', 'any/DEBIAN/control'],
     debcopyright: ['/debian/copyright', 'any/debian/copyright'],
     debsources: ['/etc/apt/sources.list', '/etc/apt/sources.list.d/file.list', 'any/etc/apt/sources.list', 'any/etc/apt/sources.list.d/file.list'],
     deb822sources: ['/etc/apt/sources.list.d/file.sources', 'any/etc/apt/sources.list.d/file.sources'],
diff --git a/src/version.c b/src/version.c
index b569807..6f5c7a4 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    886,
+/**/
     885,
 /**/
     884,