Add non-generic overload of Synchronize
Add non-generic overload of Synchronize

The compiler won't be able to infer the type argument for null arguments
to the sync block, add an overload that matches this case.

jmptrader/manos,jacksonh/manos,mdavid/manos-spdy,jmptrader/manos,jmptrader/manos,jmptrader/manos,jacksonh/manos,jacksonh/manos,mdavid/manos-spdy,jacksonh/manos,jacksonh/manos,mdavid/manos-spdy,jmptrader/manos,jacksonh/manos,jacksonh/manos,mdavid/manos-spdy,mdavid/manos-spdy,mdavid/manos-spdy,jmptrader/manos,jmptrader/manos,mdavid/manos-spdy,jmptrader/manos,jacksonh/manos