Q_object macro visual studio 2017 unresolved externals link 2001 error while building new plugin

[jaigsingla]

Describe the bug
on keeping Q_object macro using visual studio 2017, unresolved externals link 2001 is flashed

To Reproduce
Steps to reproduce the behavior:

1. Compile new plugin with vs 2017 and qt12
2. defined Q_Object in header file of the plugin