Update Installer.sh

Fixed Wifi IP check

Installer.sh

@@ -113,11 +113,11 @@ hostnamectl set-hostname $HOST
 sed -i '/raspberrypi/d' /etc/hosts
 echo "127.0.1.1      $HOST" >> /etc/hosts
 
-if grep -q "country=NL" /etc/wpa_supplicant/wpa_supplicant.conf
-then
+if grep -q "ssid=" /etc/wpa_supplicant/wpa_supplicant.conf
+  then
     IP=`hostname -I` && IP=$(echo $IP | cut -d' ' -f2,3)
     rfkill unblock wifi
-else
+  else
     IP=`hostname -I` && IP=$(echo $IP | cut -d ' ' -f 1)
     echo "country=NL" >> /etc/wpa_supplicant/wpa_supplicant.conf
     rfkill unblock wifi
@@ -125,7 +125,7 @@ fi
 
 if grep -q "Amsterdam" <<< "$TZDATA"; then
     echo "Timezone properly configured"
-else
+    else
     timedatectl set-timezone Europe/Amsterdam
 fi