Permission issue on location

[daniele-athome]

Regression from #1145.

Fatal Exception: java.lang.SecurityException: my location requires permission ACCESS_FINE_LOCATION or ACCESS_COARSE_LOCATION
       at com.google.maps.api.android.lib6.impl.bc.c(com.google.android.gms.DynamiteModulesB@12221446@12.2.21 (446-188803320):686)
       at com.google.android.gms.maps.internal.l.onTransact(com.google.android.gms.DynamiteModulesB@12221446@12.2.21 (446-188803320):141)
       at android.os.Binder.transact(Binder.java:392)
       at com.google.android.gms.internal.zzeu.zzb(Unknown Source)
       at com.google.android.gms.maps.internal.zzg.setMyLocationEnabled(Unknown Source)
       at com.google.android.gms.maps.GoogleMap.setMyLocationEnabled(Unknown Source)
       at com.car2go.maps.google.adapter.GoogleMapAdapter.setMyLocationEnabled(GoogleMapAdapter.java:189)
       at org.kontalk.position.PositionAbstractFragment.onMapReady(PositionAbstractFragment.java:302)
       at com.car2go.maps.google.MapView$1.onMapReady(MapView.java:83)
       at com.google.android.gms.maps.zzac.zza(Unknown Source)
       at com.google.android.gms.maps.internal.zzaq.onTransact(Unknown Source)
       at android.os.Binder.transact(Binder.java:392)
       at fg.b(com.google.android.gms.DynamiteModulesB@12221446@12.2.21 (446-188803320):20)
       at com.google.android.gms.maps.internal.bg.a(com.google.android.gms.DynamiteModulesB@12221446@12.2.21 (446-188803320):5)
       at com.google.maps.api.android.lib6.impl.be.run(com.google.android.gms.DynamiteModulesB@12221446@12.2.21 (446-188803320):5)
       at android.os.Handler.handleCallback(Handler.java:819)
       at android.os.Handler.dispatchMessage(Handler.java:104)
       at android.os.Looper.loop(Looper.java:210)
       at android.app.ActivityThread.main(ActivityThread.java:5988)
       at java.lang.reflect.Method.invoke(Method.java)
       at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:852)
       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:742)