On strncmp and strncasecmp, handle the max. size being zero and correctly return 0.
On strncmp and strncasecmp, handle the max. size being zero and correctly return 0.

Jonimoose/libfxcg,Jonimoose/libfxcg,Forty-Bot/libfxcg,Jonimoose/libfxcg,Forty-Bot/libfxcg,Forty-Bot/libfxcg,Forty-Bot/libfxcg