simple dub question - avoiding creating a vibed project

[Laeeth Isharc via Digitalmars-d-learn]

Hi.

I am building an example for hibernated (I put a main around the 
sample code extract from the website).

How do I stop dub trying to build a vibed project?

Here is my dub.json

{
     "name": "ddbc example",
     "description": "example for DB Connector for D language, 
similar to JDBC",
     "authors": ["Vadim Lopatin","Laeeth Isharc"],
     "homepage": "https://github.com/buggins/ddbc",
     "license": "Boost Software License (BSL 1.0)",
     "dependencies": {
         "mysql-native": ">=0.0.12",
	"ddbc": ">=0.2.16",
     },
     "targetType": "executable",
     "libs-posix": ["sqlite3", "pq"],
     "libs-windows": ["sqlite3", "libpq"],
     "copyFiles-windows-x86": [ "libs/win32/sqlite3.dll", 
"libs/win32/libpq.dll", "libs/win32/intl.dll" ],
     "sourceFiles-windows-x86" : [ "libs/win32/sqlite3.lib", 
"libs/win32/libpq.lib" ],
      "targetPath": ".",
}