patch 9.0.1412: Pony files are not recognized

Problem:    Pony files are not recognized.
Solution:   Add a pattern for Pony files. (Amaan Qureshi, closes #12155)
diff --git a/runtime/filetype.vim b/runtime/filetype.vim
index 4620233..bcd36b5 100644
--- a/runtime/filetype.vim
+++ b/runtime/filetype.vim
@@ -1539,6 +1539,9 @@
 " PO and PO template (GNU gettext)
 au BufNewFile,BufRead *.po,*.pot		setf po
 
+" Pony
+au BufNewFile,BufRead *.pony			setf pony
+
 " Postfix main config
 au BufNewFile,BufRead main.cf,main.cf.proto	setf pfmain
 
diff --git a/src/testdir/test_filetype.vim b/src/testdir/test_filetype.vim
index 4d77dc8..70e79ea 100644
--- a/src/testdir/test_filetype.vim
+++ b/src/testdir/test_filetype.vim
@@ -448,6 +448,7 @@
     \ 'pod': ['file.pod'],
     \ 'poefilter': ['file.filter'],
     \ 'poke': ['file.pk'],
+    \ 'pony': ['file.pony'],
     \ 'postscr': ['file.ps', 'file.pfa', 'file.afm', 'file.eps', 'file.epsf', 'file.epsi', 'file.ai'],
     \ 'pov': ['file.pov'],
     \ 'povini': ['.povrayrc'],
diff --git a/src/version.c b/src/version.c
index 7882c23..f0a816f 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1412,
+/**/
     1411,
 /**/
     1410,