Here are the warnings I get when compiling using Code Analysis in VS2010:
d:\sources\scummvm\scummvm-jt\engines\draci\mouse.cpp(116): warning C6323: Use of arithmetic operator on Boolean type(s)
Fixed in 1d93c80c148e3fc1310cbe9cd1a8f60b1c7c3642. Closing.
Fixed in 1d93c80c148e3fc1310cbe9cd1a8f60b1c7c3642. Closing.