Bug 5481: Fix GCC v14 build [-Wmaybe-uninitialized] #300

Job	Run time
source-maintenance-tests	2m 48s
CodeQL-tests	26m 19s
functionality-tests	18m 38s
build-tests(ubuntu-22.04,gcc,default)	6m 0s
build-tests(ubuntu-22.04,gcc,minimal)	4m 57s
build-tests(ubuntu-22.04,gcc,maximus)	6m 8s
build-tests(ubuntu-22.04,clang,default)	7m 24s
build-tests(ubuntu-22.04,clang,minimal)	5m 4s
build-tests(ubuntu-22.04,clang,maximus)	7m 26s
	1h 24m 44s

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