patch 9.0.0093: sway config files are recognized as i3config

Problem:    Sway config files are recognized as i3config.
Solution:   Recognize swayconfig separately. (James Eapen, closes #10672)

runtime/filetype.vim

@@ -859,9 +859,13 @@ au BufNewFile,BufRead *.hb			setf hb
 " Httest
 au BufNewFile,BufRead *.htt,*.htb		setf httest
 
-" i3 (and sway)
-au BufNewFile,BufRead */i3/config,*/sway/config		setf i3config
-au BufNewFile,BufRead */.i3/config,*/.sway/config	setf i3config
+" i3
+au BufNewFile,BufRead */i3/config		setf i3config
+au BufNewFile,BufRead */.i3/config  	setf i3config
+
+" sway
+au BufNewFile,BufRead */sway/config		setf swayconfig
+au BufNewFile,BufRead */.sway/config	setf swayconfig
 
 " Icon
 au BufNewFile,BufRead *.icn			setf icon

src/testdir/test_filetype.vim

@@ -535,6 +535,7 @@ let s:filename_checks = {
     \ 'svelte': ['file.svelte'],
     \ 'svg': ['file.svg'],
     \ 'svn': ['svn-commitfile.tmp', 'svn-commit-file.tmp', 'svn-commit.tmp'],
+    \ 'swayconfig': ['/home/user/.sway/config', '/home/user/.config/sway/config', '/etc/sway/config', '/etc/xdg/sway/config'],
     \ 'swift': ['file.swift'],
     \ 'swiftgyb': ['file.swift.gyb'],
     \ 'sysctl': ['/etc/sysctl.conf', '/etc/sysctl.d/file.conf', 'any/etc/sysctl.conf', 'any/etc/sysctl.d/file.conf'],

src/version.c

@@ -735,6 +735,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    93,
 /**/
     92,
 /**/