Added closing PHP terminator at the end of the file.
Added closing PHP terminator at the end of the file.

jockchou/php-markdown,filipstefansson/bootstrap-3-shortcodes,Kapeli/php-markdown,MWDelaney/bootstrap-3-shortcodes,robbieaverill/php-markdown,MWDelaney/bootstrap-3-shortcodes,itafroma/php-markdown,n054/php-markdown,nazar-pc/php-markdown-next,ashur/php-markdown,queirozfcom/php-markdown-with-syntax-highlight,mariokonrad/php-markdown,filipstefansson/bootstrap-3-shortcodes,MWDelaney/bootstrap-3-shortcodes