NetscapePlugin: NPP_GetValue should receive a pointer to NPBool, not bool
https://bugs.webkit.org/show_bug.cgi?id=138418

Reviewed by Carlos Garcia Campos.

Replace bool with NPBool, which is actually an unsigned char.

* WebProcess/Plugins/Netscape/x11/NetscapePluginX11.cpp:
(WebKit::NetscapePlugin::platformPostInitialize):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@175619 268f45cc-cd09-0410-ab3c-d52691b4dbfc