class_id.information_code value is incorrect

[kverbyob]

vrtgen version: 0.7.13

The value of the class_id.information_code yaml field seems to get stored in the packet_code variable instead of information_code.

diff --git a/src/vrtgen/parser/model/prologue.py b/src/vrtgen/parser/model/prologue.py
index e1337df..d4c570b 100644
--- a/src/vrtgen/parser/model/prologue.py
+++ b/src/vrtgen/parser/model/prologue.py
@@ -27,7 +27,7 @@ class ClassIdentifier(PackedStruct):
                 elif key == 'packet_code':
                     self.packet_code.value = val
                 elif key == 'information_code':
-                    self.packet_code.value = val
+                    self.information_code.value = val
                 else:
                     raise KeyError(val)
             except: