Merge pull request #219 from theamazingfedex/adding-pdf-filetype

adding .pdf filetype to available types.

ignore/src/types.rs

@@ -136,6 +136,7 @@ const DEFAULT_TYPES: &'static [(&'static str, &'static [&'static str])] = &[
     ("ocaml", &["*.ml", "*.mli", "*.mll", "*.mly"]),
     ("org", &["*.org"]),
     ("perl", &["*.perl", "*.pl", "*.PL", "*.plh", "*.plx", "*.pm"]),
+    ("pdf", &["*.pdf"]),
     ("php", &["*.php", "*.php3", "*.php4", "*.php5", "*.phtml"]),
     ("pod", &["*.pod"]),
     ("py", &["*.py"]),