Fix parser state column following static values

Author: mgreter

src/parser.cpp

@@ -1838,6 +1838,7 @@ namespace Sass {
     // static values always have trailing white-
     // space and end delimiter (\s*[;]$) included
     --pstate.offset.column;
+    --after_token.column;
     --str.end;
     --position;