gsm/gsm0480.c: introduce gsm0480_extract_ie_by_tag()
In some cases, there is no need to parse the whole message,
e.g. during the conversion from DTAP to GSUP/MAP. This
function can be used to extract given IE from a message.
Change-Id: I3989d061903352473305f80712f1a1560d05df3d
diff --git a/src/gsm/libosmogsm.map b/src/gsm/libosmogsm.map
index 117cecf..4aaed46 100644
--- a/src/gsm/libosmogsm.map
+++ b/src/gsm/libosmogsm.map
@@ -89,6 +89,7 @@
gsm0480_create_ussd_resp;
gsm0480_create_ussd_notify;
gsm0480_create_ussd_release_complete;
+gsm0480_extract_ie_by_tag;
gsm0480_decode_ussd_request;
gsm0480_decode_ss_request;
gsm0480_wrap_facility;