xrGame/ui/UIRankingWnd.cpp: fix a crash when try to update the rankin… #4983

Job	Run time
Ubuntu Debug amd64 (gcc)	6m 39s
Windows Debug x64 (msvc)	6m 12s
Ubuntu Release amd64 (gcc)	6m 11s
FreeBSD Debug x86_64	7m 11s
Ubuntu Debug amd64 (clang)	6m 17s
Windows Debug x86 (msvc)	6m 32s
FreeBSD Release x86_64	9m 27s
Ubuntu Release amd64 (clang)	10m 12s
Windows Mixed x64 (msvc)	5m 1s
OpenBSD Debug x86_64	10m 59s
Alpine Debug x86_64 (gcc)	7m 30s
OpenBSD Release x86_64	9m 17s
Windows Mixed x86 (msvc)	5m 51s
Alpine Release x86_64 (gcc)	9m 3s
NetBSD Debug x86_64	10m 8s
Windows Release x64 (msvc)	10m 52s
Alpine Debug x86 (gcc)	7m 16s
NetBSD Release x86_64	8m 56s
Windows Release x86 (msvc)	8m 49s
Alpine Release x86 (gcc)	9m 19s
Windows Release Master Gold x64 (msvc)	8m 47s
Fedora Debug x86_64 (gcc)	16m 57s
Windows Release Master Gold x86 (msvc)	8m 52s
Fedora Release x86_64 (gcc)	14m 58s
macOS Debug x86_64 (clang)	9m 28s
macOS Release x86_64 (clang)	9m 53s
macOS Debug arm64 (clang)	4m 0s
macOS Release arm64 (clang)	5m 32s
	4h 0m 9s

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