Move PResult and ParseError under syn::synom
diff --git a/src/lit.rs b/src/lit.rs
index 81af734..948a96c 100644
--- a/src/lit.rs
+++ b/src/lit.rs
@@ -99,7 +99,8 @@
     use super::*;
     use synom::Synom;
     use cursor::Cursor;
-    use {parse_error, PResult};
+    use parse_error;
+    use synom::PResult;
 
     impl Synom for Lit {
         fn parse(input: Cursor) -> PResult<Self> {