using linker option to fix error LNK2005

Issue : Link error
MSVCRT.lib(MSVCR80.dll) : error LNK2005: _sprintf already defined in libcmt.lib(sprintf.obj)

Fixed method:

Use /FORCE:MULTIPLE to create an output file whether or not LINK finds more than one definition for a symbol.

To set this linker option in the Visual Studio development environment

1. Open the project''s Property Pages dialog box. For details, see Setting Visual C++ Project PropertIEs.

2. Click the Linker folder.

3. Click the Command Line property page.

4. Type the option into the Additional Options box.

Reference : http://msdn2.microsoft.com/en-us/library/70abkas3.ASPx