wifi: Remove obsolete variables

Change-Id: I4759c26bf59f593650374ae4b205e8a1f83a8d68
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/wifi/wifi.c b/wifi/wifi.c
index b905897..b0ef345 100644
--- a/wifi/wifi.c
+++ b/wifi/wifi.c
@@ -60,6 +60,7 @@
 extern void get_dhcp_info();
 extern int init_module(void *, unsigned long, const char *);
 extern int delete_module(const char *, unsigned int);
+void wifi_close_sockets(int index);
 
 static char primary_iface[PROPERTY_VALUE_MAX];
 // TODO: use new ANDROID_SOCKET mechanism, once support for multiple
@@ -751,11 +752,7 @@
 int wifi_wait_on_socket(int index, char *buf, size_t buflen)
 {
     size_t nread = buflen - 1;
-    int fd;
-    fd_set rfds;
     int result;
-    struct timeval tval;
-    struct timeval *tptr;
 
     if (monitor_conn[index] == NULL) {
         ALOGD("Connection closed\n");