[z2293] Correct a little typo in mangos.conf about MapsLoading log filter.

(based on commit [12404] - 9cd2a00)

Signed-off-by: Xfurry <xfurry@scriptdev2.com>

(based on commit [s1936] - c9d5afe)

Signed-off-by: Xfurry <xfurry@scriptdev2.com>