Add post_blank to the rust types.

src/intermediate/src_block.rs

@@ -1,11 +1,12 @@
 use super::macros::intermediate;
-
 use crate::error::CustomError;
+use organic::types::StandardProperties;
 
 #[derive(Debug, Clone)]
 pub(crate) struct ISrcBlock {
     pub(crate) lines: Vec<String>,
     pub(crate) language: Option<String>,
+    pub(crate) post_blank: organic::types::PostBlank,
 }
 
 intermediate!(
@@ -58,7 +59,11 @@ intermediate!(
             })
             .collect();
         let language = original.language.map(str::to_owned);
-        Ok(ISrcBlock { lines, language })
+        Ok(ISrcBlock {
+            lines,
+            language,
+            post_blank: original.get_post_blank(),
+        })
     }
 );