Fix issues with C backend with new error message hierarchy
diff --git a/openflow_input/standard-1.2 b/openflow_input/standard-1.2
index 589d7bf..4408249 100644
--- a/openflow_input/standard-1.2
+++ b/openflow_input/standard-1.2
@@ -292,7 +292,7 @@
     OFPBRC_BAD_TYPE = 1,
     OFPBRC_BAD_STAT = 2,
     OFPBRC_BAD_EXPERIMENTER = 3,
-    OFPBRC_BAD_EXP_TYPE = 4,
+    OFPBRC_BAD_EXPERIMENTER_TYPE = 4,
     OFPBRC_EPERM = 5,
     OFPBRC_BAD_LEN = 6,
     OFPBRC_BUFFER_EMPTY = 7,
@@ -307,7 +307,7 @@
     OFPBAC_BAD_TYPE = 0,
     OFPBAC_BAD_LEN = 1,
     OFPBAC_BAD_EXPERIMENTER = 2,
-    OFPBAC_BAD_EXP_TYPE = 3,
+    OFPBAC_BAD_EXPERIMENTER_TYPE = 3,
     OFPBAC_BAD_OUT_PORT = 4,
     OFPBAC_BAD_ARGUMENT = 5,
     OFPBAC_EPERM = 6,
@@ -329,7 +329,7 @@
     OFPBIC_UNSUP_METADATA = 3,
     OFPBIC_UNSUP_METADATA_MASK = 4,
     OFPBIC_BAD_EXPERIMENTER = 5,
-    OFPBIC_BAD_EXP_TYPE = 6,
+    OFPBIC_BAD_EXPERIMENTER_TYPE = 6,
     OFPBIC_BAD_LEN = 7,
     OFPBIC_EPERM = 8,
 };