Fix coverity warnings #1756

Job	Run time
Run Coverity tests	2m 3s
Build on Fedora 40	1m 9s
Run CodeQL tests	4m 12s
Build on Fedora 41	58s
Build on Ubuntu for androidarm	1m 4s
Build on Fedora rawhide	1m 15s
Build on Ubuntu for androidarm64	1m 32s
Build on macOS for macos	1m 42s
Build on Ubuntu for androidx86_64	55s
Deploy pages	0s
Build on macOS for iphoneos	1m 3s
Build on Ubuntu 22.04	2m 49s
Build on macOS for iphonesimulator	1m 38s
Build on Windows (143, x86)	3m 52s
Build on Windows (143, x64)	4m 29s
Build on Ubuntu 24.04	2m 41s
Build on Windows (143, arm64)	4m 47s
Build on Ubuntu 24.10	3m 1s
Build on Windows (142, x86)	3m 48s
Build on Windows (142, x64)	3m 11s
Build on Windows (142, arm64)	3m 33s
	49m 42s

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