[GPRS] SGSN: properly delete a PDP context after receiving PDP CTX DEACT REQ
diff --git a/openbsc/include/openbsc/gprs_gmm.h b/openbsc/include/openbsc/gprs_gmm.h
index 44a28cf..0d03dd9 100644
--- a/openbsc/include/openbsc/gprs_gmm.h
+++ b/openbsc/include/openbsc/gprs_gmm.h
@@ -3,8 +3,9 @@
 
 int gsm48_tx_gsm_act_pdp_rej(struct sgsn_mm_ctx *mm, uint8_t tid,
 			     uint8_t cause, uint8_t pco_len, uint8_t *pco_v);
-
 int gsm48_tx_gsm_act_pdp_acc(struct sgsn_pdp_ctx *pdp);
+int gsm48_tx_gsm_deact_pdp_acc(struct sgsn_pdp_ctx *pdp);
+
 int gsm0408_gprs_rcvmsg(struct msgb *msg);
 
 #endif /* _GPRS_GMM_H */