Documentation/sphinx: nicer referencing of struct in docbook->rst conversion

Add "struct" in the label of the reference.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
diff --git a/Documentation/sphinx/post_convert.sed b/Documentation/sphinx/post_convert.sed
index ce17049..392770b 100644
--- a/Documentation/sphinx/post_convert.sed
+++ b/Documentation/sphinx/post_convert.sed
@@ -1,9 +1,13 @@
 #
-# pandoc thinks that both "_" needs to be escaped.  Remove the extra
-# backslashes.  Also put in proper backquotes now that pandoc won't quote
-# them.
+# Unescape.
 #
 s/$bq/`/g
+s/$lt/</g
+s/$gt/>/g
+#
+# pandoc thinks that both "_" needs to be escaped.  Remove the extra
+# backslashes.
+#
 s/\\_/_/g
 #
 # Unwrap docproc directives.