[Win] Change the DLL name in MiniBrowserLib.vcxproj to match webkit.org/b/150124.

[Win] Change the DLL name in MiniBrowserLib.vcxproj to match webkit.org/b/150124.
https://bugs.webkit.org/show_bug.cgi?id=150307

Patch by Sungmann Cho <sungmann.cho@navercorp.com> on 2015-10-18
Reviewed by Brent Fulgham.

The DLL build rules have been changed to generate "{Name}Lib.DLL",
but these changes have not yet been applied to the Visual Studio builds.

* MiniBrowser/MiniBrowser.vcxproj/MiniBrowserLib.vcxproj:

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@191277 268f45cc-cd09-0410-ab3c-d52691b4dbfc