redcarpet.h in redcarpet-2.2.1

- old
+ new

@@ -1,10 +1,10 @@
 #ifndef REDCARPET_H__
 #define REDCARPET_H__
 
 #define RSTRING_NOT_MODIFIED
 #include "ruby.h"
-#include "st.h"
+#include "ruby/st.h"
 #include <stdio.h>
 
 #ifdef HAVE_RUBY_ENCODING_H
 #	include <ruby/encoding.h>
 #	define redcarpet_str_new(data, size, enc) rb_enc_str_new(data, size, enc)