thirdparty/harfbuzz 2.6.1 for PocketBook (#959)
thirdparty/harfbuzz 2.6.1 for PocketBook (#959)

Fixes https://github.com/koreader/koreader-base/issues/958.
Frenzie/koreader-base,koreader/koreader-base,NiLuJe/koreader-base,Frenzie/koreader-base,NiLuJe/koreader-base,koreader/koreader-base,Frenzie/koreader-base,NiLuJe/koreader-base,koreader/koreader-base,NiLuJe/koreader-base,Frenzie/koreader-base,koreader/koreader-base