gsm0808: Add CSFB indication IE to BSSMAP CLEAR COMMAND

When a call that was established in a CSFB context ends the CLEAR
COMMAND that is send from the BSC to the MSC should contain a CSFB
indication IE, which consists of just the IE byte itsslef. This
additional IE tells the BSC to include other CSFB related IEs into the
RR Release message.

Change-Id: Id8a75e1da2d5f520064666e4ee413d1c91da6ae3
Related: OS#3778
diff --git a/src/gsm/libosmogsm.map b/src/gsm/libosmogsm.map
index 3cfe6a7..602c7a6 100644
--- a/src/gsm/libosmogsm.map
+++ b/src/gsm/libosmogsm.map
@@ -164,6 +164,7 @@
 gsm0808_create_classmark_request;
 gsm0808_create_classmark_update;
 gsm0808_create_clear_command;
+gsm0808_create_clear_command2;
 gsm0808_create_clear_complete;
 gsm0808_create_clear_rqst;
 gsm0808_create_paging;