sensitive_pn: Fix typo in sensitive phone number

* There was an extra digit hiding in here
* Corrected from: https://www.safehorizon.org/hotlines/

Change-Id: I75f179f0b263514df54acf4adc1df0f8ff3f3ada
diff --git a/prebuilt/common/etc/sensitive_pn.xml b/prebuilt/common/etc/sensitive_pn.xml
index 7c4fe40..43a3913 100644
--- a/prebuilt/common/etc/sensitive_pn.xml
+++ b/prebuilt/common/etc/sensitive_pn.xml
@@ -397,7 +397,7 @@
         <item>18007997233</item>
         <item>18662231111</item>
         <item>18663852699</item>
-        <item>186668694357</item>
+        <item>18666894357</item>
     </sensitivePN>
     <!--India-->
     <sensitivePN network="404,405">