fix: Include headers which were lost during rebase

openbsc/src/reg-proxy/sup.c

@@ -1,4 +1,5 @@
 #include <openbsc/sup_server.h>
+#include <openbsc/gsup_client.h>
 #include <openbsc/reg_proxy.h>
 #include <openbsc/debug.h>
 #include <osmocom/gsm/gsup.h>

openbsc/src/ussd-proxy/ussd_proxy.c

@@ -39,6 +39,7 @@ typedef struct operation operation_t;
 #include <osmocom/core/linuxlist.h>
 
 #include <osmocom/gsm/gsup.h>
+#include <osmocom/gsm/gsm_utils.h>
 #include <openbsc/gsm_ussd_map_proto.h>
 #include <openbsc/gsm_04_80.h>
 

openbsc/src/utils/meas_json.c

@@ -27,6 +27,7 @@
 #include <unistd.h>
 #include <stdlib.h>
 #include <stdio.h>
+#include <time.h>
 
 #include <netinet/in.h>