Add syntax files from upstream vim repository

compiler/bdf.vim

@@ -0,0 +1,26 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'vim') == -1
+  
+" Vim compiler file
+" Compiler:             BDF to PCF Conversion
+" Previous Maintainer:  Nikolai Weibull <now@bitwi.se>
+" Latest Revision:      2006-04-19
+
+if exists("current_compiler")
+  finish
+endif
+let current_compiler = "bdf"
+
+let s:cpo_save = &cpo
+set cpo-=C
+
+setlocal makeprg=bdftopcf\ $*
+
+setlocal errorformat=%ABDF\ %trror\ on\ line\ %l:\ %m,
+      \%-Z%p^,
+      \%Cbdftopcf:\ bdf\ input\\,\ %f\\,\ corrupt,
+      \%-G%.%#
+
+let &cpo = s:cpo_save
+unlet s:cpo_save
+
+endif