patch 9.0.1167: EditorConfig files do not have their own filetype

Problem:    EditorConfig files do not have their own filetype.
Solution:   Add the "editorconfig" filetype. (Gregory Anders, closes #11779)
diff --git a/runtime/filetype.vim b/runtime/filetype.vim
index c659de8..22f6d1c 100644
--- a/runtime/filetype.vim
+++ b/runtime/filetype.vim
@@ -606,8 +606,8 @@
 	\   setf clojure |
 	\ endif
 
-" EditorConfig (close enough to dosini)
-au BufNewFile,BufRead .editorconfig		setf dosini
+" EditorConfig
+au BufNewFile,BufRead .editorconfig		setf editorconfig
 
 " Embedix Component Description
 au BufNewFile,BufRead *.ecd			setf ecd
diff --git a/src/testdir/test_filetype.vim b/src/testdir/test_filetype.vim
index 77e68c7..9dfb1a4 100644
--- a/src/testdir/test_filetype.vim
+++ b/src/testdir/test_filetype.vim
@@ -160,7 +160,7 @@
     \ 'dnsmasq': ['/etc/dnsmasq.conf', '/etc/dnsmasq.d/file', 'any/etc/dnsmasq.conf', 'any/etc/dnsmasq.d/file'],
     \ 'dockerfile': ['Containerfile', 'Dockerfile', 'dockerfile', 'file.Dockerfile', 'file.dockerfile', 'Dockerfile.debian', 'Containerfile.something'],
     \ 'dosbatch': ['file.bat'],
-    \ 'dosini': ['.editorconfig', '/etc/yum.conf', 'file.ini', 'npmrc', '.npmrc', 'php.ini', 'php.ini-5', 'php.ini-file', '/etc/yum.repos.d/file', 'any/etc/yum.conf', 'any/etc/yum.repos.d/file', 'file.wrap'],
+    \ 'dosini': ['/etc/yum.conf', 'file.ini', 'npmrc', '.npmrc', 'php.ini', 'php.ini-5', 'php.ini-file', '/etc/yum.repos.d/file', 'any/etc/yum.conf', 'any/etc/yum.repos.d/file', 'file.wrap'],
     \ 'dot': ['file.dot', 'file.gv'],
     \ 'dracula': ['file.drac', 'file.drc', 'filelvs', 'filelpe', 'drac.file', 'lpe', 'lvs', 'some-lpe', 'some-lvs'],
     \ 'dtd': ['file.dtd'],
@@ -172,6 +172,7 @@
     \ 'dylanlid': ['file.lid'],
     \ 'ecd': ['file.ecd'],
     \ 'edif': ['file.edf', 'file.edif', 'file.edo'],
+    \ 'editorconfig': ['.editorconfig'],
     \ 'eelixir': ['file.eex', 'file.leex'],
     \ 'elinks': ['elinks.conf'],
     \ 'elixir': ['file.ex', 'file.exs', 'mix.lock'],
diff --git a/src/version.c b/src/version.c
index 6bddfff..a218a71 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1167,
+/**/
     1166,
 /**/
     1165,