build: libmatroska needs to link against libebml
build: libmatroska needs to link against libebml

The library uses symbols from libebml, and so should link to it.

biotrump/libmatroska,biotrump/libmatroska,Matroska-Org/libmatroska,marcusbecker/libmatroska,Matroska-Org/libmatroska,marcusbecker/libmatroska,Matroska-Org/libmatroska