Prepended underscores to NPN methods so that when the QT plug-in loads these symbols...

	Prepended underscores to NPN methods so that when the QT plug-in loads these symbols, it uses the non-underscore versions in WebKit. Without this, the QT plug-in was failing to load when launching Safari from the command-line.

        Reviewed by rjw.

        * JavaScriptCore.pbproj/project.pbxproj:
        * bindings/NP_jsobject.cpp:
        (_NPN_CreateScriptObject):
        (_NPN_InvokeDefault):
        (_NPN_Invoke):
        (_NPN_Evaluate):
        (_NPN_GetProperty):
        (_NPN_SetProperty):
        (_NPN_RemoveProperty):
        (_NPN_HasProperty):
        (_NPN_HasMethod):
        * bindings/c/c_class.cpp:
        (CClass::methodsNamed):
        (CClass::fieldNamed):
        * bindings/c/c_instance.cpp:
        (CInstance::CInstance):
        (CInstance::~CInstance):
        (CInstance::operator=):
        (CInstance::invokeMethod):
        (CInstance::invokeDefaultMethod):
        * bindings/c/c_runtime.cpp:
        * bindings/c/c_runtime.h:
        (KJS::Bindings::CField::name):
        (KJS::Bindings::CMethod::name):
        * bindings/npruntime.cpp:
        (_NPN_GetStringIdentifier):
        (_NPN_GetStringIdentifiers):
        (_NPN_GetIntIdentifier):
        (_NPN_IdentifierIsString):
        (_NPN_UTF8FromIdentifier):
        (_NPN_IntFromIdentifier):
        (NPN_InitializeVariantWithObject):
        (_NPN_ReleaseVariantValue):
        (_NPN_CreateObject):
        (_NPN_RetainObject):
        (_NPN_ReleaseObject):
        (_NPN_SetExceptionWithUTF8):
        (_NPN_SetException):

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@7733 268f45cc-cd09-0410-ab3c-d52691b4dbfc