patch 9.0.1394: Unx Tal files are not recognized

Problem:    Unx Tal files are not recognized.
Solution:   Add a pattern for Unx Tal files. (Amaan Qureshi, closes #12117)

Author: amaanq

runtime/filetype.vim

@@ -2109,6 +2109,9 @@ au BufNewFile,BufRead tags			setf tags
 " TAK
 au BufNewFile,BufRead *.tak			setf tak
 
+" Unx Tal
+au BufNewFile,BufRead *.tal			setf tal
+
 " Task
 au BufRead,BufNewFile {pending,completed,undo}.data  setf taskdata
 au BufRead,BufNewFile *.task			setf taskedit

src/testdir/test_filetype.vim

@@ -581,6 +581,7 @@ let s:filename_checks = {
     \ 'systemverilog': ['file.sv', 'file.svh'],
     \ 'tags': ['tags'],
     \ 'tak': ['file.tak'],
+    \ 'tal': ['file.tal'],
     \ 'taskdata': ['pending.data', 'completed.data', 'undo.data'],
     \ 'taskedit': ['file.task'],
     \ 'tcl': ['file.tcl', 'file.tm', 'file.tk', 'file.itcl', 'file.itk', 'file.jacl', '.tclshrc', 'tclsh.rc', '.wishrc'],

src/version.c

@@ -695,6 +695,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1394,
 /**/
     1393,
 /**/