Add syntax files from upstream vim repository

ftplugin/matlab.vim

@@ -0,0 +1,36 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'vim') == -1
+  
+" Vim filetype plugin file
+" Language:	matlab
+" Maintainer:	Jake Wasserman <jwasserman at gmail dot com>
+" Last Changed: 2014 Dec 30
+
+" Contributors:
+" Charles Campbell
+
+if exists("b:did_ftplugin")
+	finish
+endif
+let b:did_ftplugin = 1
+
+let s:save_cpo = &cpo
+set cpo-=C
+
+if exists("loaded_matchit")
+ let s:conditionalEnd = '\%(([^()]*\)\@!\<end\>\%([^()]*)\)\@!'
+ let b:match_words=
+   \ '\<\%(if\|switch\|for\|while\)\>:\<\%(elseif\|case\|break\|continue\|else\|otherwise\)\>:'.s:conditionalEnd.','.
+   \ '\<function\>:\<return\>:\<endfunction\>'
+ unlet s:conditionalEnd
+endif
+
+setlocal suffixesadd=.m
+setlocal suffixes+=.asv
+
+let b:undo_ftplugin = "setlocal suffixesadd< suffixes< "
+	\ . "| unlet! b:match_words"
+
+let &cpo = s:save_cpo
+unlet s:save_cpo
+
+endif