World file format changes for MegaZeux 2.93. #447

Job	Run time
ARM-3DS	41s
AArch64-Switch	56s
ARM-NDS	31s
AddressSanitizer	58s
MemorySanitizer	1m 6s
MSYS2-MINGW32	4m 54s
MSYS2-MINGW64	4m 55s
PowerPC-Wii	47s
PowerPC-WiiU	48s
UndefinedBehaviorSanitizer	34s
unix	41s
unix-misc	1m 3s
unix-portable	38s
unix-static	1m 35s
	20m 7s

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