Switch all instances of deprecated bzero() to memset() equivalent.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>

diff -Nura wireless_tools.30/ifrename.c wireless_tools.30-bzero/ifrename.c
--- wireless_tools.30/ifrename.c	2007-10-16 20:12:41.000000000 -0300
+++ wireless_tools.30-bzero/ifrename.c	2014-06-11 09:52:59.623741119 -0300
@@ -541,7 +541,7 @@
 	    victimname, autoname);
 
   /* Prepare request */
-  bzero(&ifr, sizeof(struct ifreq));
+  memset(&ifr, 0, sizeof(struct ifreq));
   strncpy(ifr.ifr_name, victimname, IFNAMSIZ); 
   strncpy(ifr.ifr_newname, autoname, IFNAMSIZ); 
 
@@ -587,7 +587,7 @@
     }
 
   /* Prepare request */
-  bzero(&ifr, sizeof(struct ifreq));
+  memset(&ifr, 0, sizeof(struct ifreq));
   strncpy(ifr.ifr_name, oldname, IFNAMSIZ); 
   strncpy(ifr.ifr_newname, newname, IFNAMSIZ); 
 
@@ -747,7 +747,7 @@
   int		i;
 
   /* Get MAC address */
-  bzero(&ifr, sizeof(struct ifreq));
+  memset(&ifr, 0, sizeof(struct ifreq));
   strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
   ret = ioctl(skfd, SIOCGIFHWADDR, &ifr);
   if(ret < 0)
@@ -1040,8 +1040,8 @@
     return(0);
 
   /* Prepare request */
-  bzero(&ifr, sizeof(struct ifreq));
-  bzero(&drvinfo, sizeof(struct ethtool_drvinfo));
+  memset(&ifr, 0, sizeof(struct ifreq));
+  memset(&drvinfo, 0, sizeof(struct ethtool_drvinfo));
   strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
   drvinfo.cmd = ETHTOOL_GDRVINFO;
   ifr.ifr_data = (caddr_t) &drvinfo;
@@ -1206,8 +1206,8 @@
     return(0);
 
   /* Prepare request */
-  bzero(&ifr, sizeof(struct ifreq));
-  bzero(&map, sizeof(struct ifmap));
+  memset(&ifr, 0, sizeof(struct ifreq));
+  memset(&map, 0, sizeof(struct ifmap));
   strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
 
   /* Do it */
@@ -2050,7 +2050,7 @@
   struct add_extra	extrainfo;
 
   /* Reset the list of filters */
-  bzero(selector_active, sizeof(selector_active));
+  memset(selector_active, 0, sizeof(selector_active));
 
   /* Check filename */
   if(!strcmp(filename, "-"))
diff -Nura wireless_tools.30/iwlib.c wireless_tools.30-bzero/iwlib.c
--- wireless_tools.30/iwlib.c	2009-11-23 23:28:59.000000000 -0300
+++ wireless_tools.30-bzero/iwlib.c	2014-06-11 09:50:20.611371384 -0300
@@ -484,7 +484,7 @@
   union iw_range_raw *	range_raw;
 
   /* Cleanup */
-  bzero(buffer, sizeof(buffer));
+  memset(buffer, 0, sizeof(buffer));
 
   wrq.u.data.pointer = (caddr_t) buffer;
   wrq.u.data.length = sizeof(buffer);
@@ -513,7 +513,7 @@
   else
     {
       /* Zero unknown fields */
-      bzero((char *) range, sizeof(struct iw_range));
+      memset((char *) range, 0, sizeof(struct iw_range));
 
       /* Initial part unmoved */
       memcpy((char *) range,
@@ -3064,7 +3064,7 @@
 	oldwscan->next = wscan;
 
       /* Reset it */
-      bzero(wscan, sizeof(struct wireless_scan));
+      memset(wscan, 0, sizeof(struct wireless_scan));
 
       /* Save cell identifier */
       wscan->has_ap_addr = 1;