chantype_rsl2gsmtap/gsmtap2rsl: Fix PDCH channel type conversion

Change-Id: I88a06e8ba894f16006a8efa259fc536cf300de32
diff --git a/src/gsmtap_util.c b/src/gsmtap_util.c
index ad6f914..28149c0 100644
--- a/src/gsmtap_util.c
+++ b/src/gsmtap_util.c
@@ -81,6 +81,9 @@
 		/* it could also be AGCH... */
 		ret = GSMTAP_CHANNEL_PCH;
 		break;
+	case RSL_CHAN_OSMO_PDCH:
+		ret = GSMTAP_CHANNEL_PDCH;
+		break;
 	}
 
 	if (link_id & 0x40)
@@ -121,7 +124,7 @@
 		*rsl_chantype = RSL_CHAN_PCH_AGCH;
 		break;
 	case GSMTAP_CHANNEL_PDCH:
-		*rsl_chantype = GSMTAP_CHANNEL_PDCH;
+		*rsl_chantype = RSL_CHAN_OSMO_PDCH;
 		break;
 	}