watch out for 0x0 icons, and skip them
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@ -1336,6 +1336,8 @@ void client_update_icons(Client *self)
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w = self->icons[j].width = data[i++];
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h = self->icons[j].height = data[i++];
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if (w*h == 0) continue;
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self->icons[j].data = g_new(pixel32, w * h);
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for (x = 0, y = 0, t = 0; t < w * h; ++t, ++x, ++i) {
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if (x >= w) {
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