db_mongodb: note about mongodb c driver version and tls

modules/db_mongodb/README

@@ -10,7 +10,7 @@ Daniel-Constantin Mierla
 
    <[email protected]>
 
-   Copyright © 2014 asipto.com
+   Copyright © 2014 asipto.com
      __________________________________________________________________
 
    Table of Contents
@@ -79,6 +79,8 @@ Chapter 1. Admin Guide
    running Kamailio with this module loaded:
      * mongo-c-driver - available at
        https://github.com/mongodb/mongo-c-driver
+       Note: if you use tls module, use at least mongo-c-driver v1.2.1 -
+       there were reports of issues inside earlier versions of the driver.
 
 4. Usage
 

modules/db_mongodb/doc/db_mongodb_admin.xml

@@ -68,6 +68,10 @@
 				<emphasis>mongo-c-driver</emphasis> - available at
 				<ulink url="https://github.com/mongodb/mongo-c-driver">https://github.com/mongodb/mongo-c-driver</ulink>
 			</para>
+			<para>
+				Note: if you use tls module, use at least mongo-c-driver v1.2.1
+				- there were reports of issues inside earlier versions of the driver.
+			</para>
 			</listitem>
 			</itemizedlist>
 		</para>