Include <sys/time.h> explicitly whenever time_t is used.

Apparently this is needed for bionic libc.

config.c

@@ -23,6 +23,7 @@ THE SOFTWARE.
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
+#include <sys/time.h>
 
 #ifdef __linux
 /* Defining it rather than including <linux/rtnetlink.h> because this

message.c

@@ -24,7 +24,7 @@ THE SOFTWARE.
 #include <string.h>
 #include <stdio.h>
 #include <assert.h>
-
+#include <sys/time.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
 

network.c

@@ -23,6 +23,7 @@ THE SOFTWARE.
 #include <string.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <sys/time.h>
 #include <sys/ioctl.h>
 #include <sys/socket.h>
 #include <netinet/in.h>

route.c

@@ -25,6 +25,7 @@ THE SOFTWARE.
 #include <stdio.h>
 #include <errno.h>
 #include <assert.h>
+#include <sys/time.h>
 
 #include "babeld.h"
 #include "util.h"

source.c

@@ -23,6 +23,7 @@ THE SOFTWARE.
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
+#include <sys/time.h>
 
 #include "babeld.h"
 #include "util.h"

xroute.c

@@ -25,6 +25,7 @@ THE SOFTWARE.
 #include <string.h>
 #include <errno.h>
 #include <assert.h>
+#include <sys/time.h>
 #include <netinet/in.h>
 
 #include "babeld.h"