Fix memory leak reported by QiAnXinCodeSafe #2300

Job	Run time
code formatting check	20s
cppcheck	3m 44s
min features with gcc	2m 11s
min features with g++	3m 47s
min features with clang	2m 9s
max features with gcc	3m 43s
max features with g++	2m 44s
max features with clang	5m 36s
max features with clang and AddressSanitized	3m 5s
max features with gcc and DEBUG	3m 12s
max features with gcc for 32-bit arch (legacy OS)	2m 15s
max features with g++ for 32-bit arch (legacy OS)	2m 8s
max features with clang for 32-bit arch (legacy OS)	2m 16s
	37m 10s

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