minor: warnings removal

It seems that ciphering_algorithm is "unsigned int" in RRC Rel10
and "unsigned long" in RRC Rel14 (as processed by asn1c)

Let's force it to unsigned long in the log to avoid compilation-time
warnings.

openair2/RRC/LITE/rrc_eNB_S1AP.c

@@ -290,7 +290,7 @@ rrc_eNB_process_security(
         "[eNB %d] NAS security_capabilities.encryption_algorithms %u AS ciphering_algorithm %lu NAS security_capabilities.integrity_algorithms %u AS integrity_algorithm %u\n",
         ctxt_pP->module_id,
         ue_context_pP->ue_context.security_capabilities.encryption_algorithms,
-        ue_context_pP->ue_context.ciphering_algorithm,
+        (unsigned long)ue_context_pP->ue_context.ciphering_algorithm,
         ue_context_pP->ue_context.security_capabilities.integrity_algorithms,
         ue_context_pP->ue_context.integrity_algorithm);
   /* Select relevant algorithms */
@@ -312,7 +312,7 @@ rrc_eNB_process_security(
          ctxt_pP->module_id,
          ue_context_pP->ue_context.rnti,
          security_capabilities_pP,
-         cipheringAlgorithm,
+         (unsigned long)cipheringAlgorithm,
          integrityProtAlgorithm,
          changed ? "changed" : "same");