meson: Fix wrong path to lib/lz4.h
meson: Fix wrong path to lib/lz4.h

unknownbrackets/maxcso,unknownbrackets/maxcso,unknownbrackets/maxcso,unknownbrackets/maxcso,unknownbrackets/maxcso,unknownbrackets/maxcso,unknownbrackets/maxcso