patch 9.0.0692: PoE filter files are not recognized

Problem:    PoE filter files are not recognized.
Solution:   Add a pattern to detect PoE filter files. (closes #11305)

runtime/filetype.vim

@@ -1391,6 +1391,9 @@ au BufNewFile,BufRead *.dpr,*.lpr			setf pascal
 " Free Pascal makefile definition file
 au BufNewFile,BufRead *.fpc				setf fpcmake
 
+" Path of Exile item filter
+au BufNewFile,BufRead *.filter				setf poefilter
+
 " PDF
 au BufNewFile,BufRead *.pdf				setf pdf
 

src/testdir/test_filetype.vim

@@ -426,6 +426,7 @@ let s:filename_checks = {
     \ 'plsql': ['file.pls', 'file.plsql'],
     \ 'po': ['file.po', 'file.pot'],
     \ 'pod': ['file.pod'],
+    \ 'poefilter': ['file.filter'],
     \ 'poke': ['file.pk'],
     \ 'postscr': ['file.ps', 'file.pfa', 'file.afm', 'file.eps', 'file.epsf', 'file.epsi', 'file.ai'],
     \ 'pov': ['file.pov'],

src/version.c

@@ -699,6 +699,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    692,
 /**/
     691,
 /**/