Hans-Christoph Steiner edb9fcd044 do not crash on mystery last second null IP addresses, closes #1434
java.lang.IllegalArgumentException: Could not parse [null/24]
 at org.apache.commons.net.util.SubnetUtils.calculate(SubnetUtils.java:275)
 at org.apache.commons.net.util.SubnetUtils.<init>(SubnetUtils.java:51)
 at org.fdroid.fdroid.net.WifiStateChangeService.setIpInfoFromNetworkInterface(WifiStateChangeService.java:261)
 at org.fdroid.fdroid.net.WifiStateChangeService.access$100(WifiStateChangeService.java:50)
 at org.fdroid.fdroid.net.WifiStateChangeService$WifiInfoThread.run(WifiStateChangeService.java:132)
2018-07-12 17:34:24 +02:00
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