PCUIF: Use OCT4 for IP address, not uint32_t

In TTCN-3, a 4-byte octetstring is the more usual representation for
IP addresses, not an integer type.  This is also what functions like
f_inet_addr() etc. are using as types, and we may want to use them
in combination with the PCUIF.

Change-Id: Ia08e1bb8a9bfbd5bf5b63922c77bb221ce1a12f5
diff --git a/library/PCUIF_Types.ttcn b/library/PCUIF_Types.ttcn
index 89a4c33..3215c4b 100644
--- a/library/PCUIF_Types.ttcn
+++ b/library/PCUIF_Types.ttcn
@@ -164,7 +164,7 @@
 	record length(2) of uint16_t	nsvci,
 	record length(2) of uint16_t	local_pprt,
 	record length(2) of uint16_t	remote_port,
-	record length(2) of uint32_t	remote_ip
+	record length(2) of OCT4	remote_ip
 } with { variant "" }
 
 type record PCUIF_act_req {
@@ -646,7 +646,7 @@
 						 template (value) uint16_t bvci,
 						 template (value) uint16_t local_port,
 						 template (value) uint16_t remote_port,
-						 template (value) uint32_t remote_ip,
+						 template (value) OCT4 remote_ip,
 						 template (value) PCUIF_Flags flags := c_PCUIF_Flags_default,
 						 template (value) uint16_t mcc := 262,
 						 template (value) uint16_t mnc := 42,
@@ -693,7 +693,7 @@
 			nsvci := { nsvci, 0 },
 			local_pprt := { local_port, 0 },
 			remote_port := { remote_port, 0 },
-			remote_ip := { remote_ip , 0 }
+			remote_ip := { remote_ip , '00000000'O }
 		}
 	}
 }