Check return status when enabling hotspot

src/freedombone-wifi

@@ -203,6 +203,9 @@ fi
 
 if [[ ${WIFI_HOTSPOT} != 'no' ]]; then
     hotspot_on
+    if [ ! "$?" = "0" ]; then
+        exit "$?"
+    fi
     exit 0
 else
     hotspot_off