Update cairo to 1.12.10.

	renamed:    libs_toolkit/cairo/cairo-1.12.8-privatesymbol.patch.xz -> libs_toolkit/cairo/cairo-1.12.10-privatesymbol.patch.xz
	new file:   libs_toolkit/cairo/cairo-1.12.10-xcbglyphswapcrash.patch.xz
	new file:   libs_toolkit/cairo/cairo-1.12.10-xlibglyphswapcrash.patch.xz
	modified:   libs_toolkit/cairo/cairo.build