Reviewed by Adele.

    Reviewed by Adele.

        - fixed issues preventing us from compiling with newer versions of gcc 4.0

        * khtml/dom/dom2_events.cpp: Add definitions of some static data member constants, as required
        by the C++ standard and the gcc 4.0 compiler.

        * khtml/editing/selection.h: Specified KHTMLPart friend class as ::KHTMLPart, since if it's
        not explicitly qualified, it means DOM::KHTMLPart.

        * khtml/dom/dom_string.cpp:
        (DOM::strcasecmp): Removed redundant and illegal DOM:: prefix.
        (DOM::operator==): Ditto.
        * khtml/ecma/kjs_binding.cpp:
        (KJS::getStringOrNull): Removed redundant and illegal KJS:: prefix.
        (KJS::ValueToVariant): Ditto.
        * khtml/ecma/kjs_css.cpp:
        (KJS::getCSSRuleConstructor): Ditto.
        (KJS::getCSSValueConstructor): Ditto.
        (KJS::getCSSPrimitiveValueConstructor): Ditto.
        * khtml/ecma/kjs_events.cpp:
        (KJS::getEventConstructor): Ditto.
        (KJS::getEventExceptionConstructor): Ditto.
        (KJS::getMutationEventConstructor): Ditto.
        * khtml/ecma/kjs_traversal.cpp:
        (KJS::getNodeFilterConstructor): Ditto.

        * khtml/misc/loader_client.h: Added an empty virtual destructor to CachedObjectClient
        to quiet the compiler. This doesn't really do any good, but also does no harm.
        * khtml/misc/loader.cpp: (CachedObjectClient::~CachedObjectClient): Added.

        * khtml/rendering/render_block.cpp: (khtml::RenderBlock::fillBlockSelectionGaps):
        Initialize a couple of variables that should have been initialized to 0.
        Not just about making the compiler happy -- warning found a real bug!

        * kwq/KWQTextArea.mm: (RangeOfParagraph): Change else structure to work around compiler
        warning bug.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@9173 268f45cc-cd09-0410-ab3c-d52691b4dbfc