Avoid unneeded memory allocactions in psl_str_to_utf8lower()
Avoid unneeded memory allocactions in psl_str_to_utf8lower()

Reported-by: https://github.com/daurnimator

dago/libpsl,darnir/libpsl,dago/libpsl,darnir/libpsl,rockdaboot/libpsl,rockdaboot/libpsl,dago/libpsl,darnir/libpsl,rockdaboot/libpsl