You will need to add "_SECURE_SCL=0" to the preprocessor definition list of your project. The example projects should have this defined.
Here is a list of Visual Studio 2008 project settings you should set for all your plugins:
Code:
C/C++:
Preprocessor:
Preprocessor Definitions += "_SECURE_SCL=0"
Code Generation:
Runtime Library = Multi-threaded DLL
Linker:
Manifest File:
Generate Manifest = No