fixed return type for documented functions

Author: ovfireandvoid

__tests__/seeds/functionSeeds.js

@@ -65,7 +65,7 @@ void foo(var arg1, Date arg2);
  * @param arg2 arg 2 description
  * @return return description
  */
-void foo(var arg1, Date arg2);
+var foo(var arg1, Date arg2);
 `,
   `/*!
  * @brief function description

src/inputStructure.js

@@ -37,7 +37,7 @@ const attachFunctionComment = (token, comment) => {
       }
     });
 
-    token.type = comment.return ? comment.return.type || 'void' : 'void';
+    token.type = comment.return ? comment.return.type || 'var' : 'void';
     token.comment = comment;
   } else {
     token.args.forEach((arg) => {