drizzle_escape_string takes unused parameter

[Marenz]

So, this isn't exactly a bug but it's odd and it confused me.

The function drizzle_escape_string (http://bazaar.launchpad.net/~drizzle-trunk/libdrizzle/5.2/view/head:/libdrizzle/query.cc#L60 )
takes a connection parameter `con` but it's not actually using it anywhere in the function.

[Wim Lewis (wiml-omni)]

My guess is that this function's signature is modeled on `mysql_real_escape_string()`, which takes a connection parameter. Mysql's version seems to change its behavior based on the connection settings (charset).