xmlChar uglyness

[Ingo Ruhnke]

Shouldn't something like:

else if (!strcmp(reinterpret_cast<const char*>(cur->name), "hotspot"))

better be written like:

else if (XMLHelper::equal_str (cur->name, "hotspot"))

with:

bool
XMLHelper::equal_str (xmlChar* a, const char*)
{
        return !strcmp(reinterpret_cast<const char*>(cur->name), "hotspot");
}

...or something like that? Having dozens of reinterpret_cast<> in the
code is not really what I want.

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