Incorrect use of two "int i" instances. #2616

Job	Run time
utest-regression-blackbox-test	5m 48s
cygwin64-cache	3m 58s
multiple-arch-armv7	7m 45s
multiple-arch-aarch64	9m 31s
cygwin64	7m 35s
fast	1s
build-ubuntu16	2m 22s
build-cross-aarch64	7m 0s
build-centos7	3m 22s
build-cross-arm	7m 16s
build-ubuntu18	2m 53s
build-ubuntu20	2m 26s
coverage	3m 23s
multiple-arch-amd64	2m 15s
test-done	1s
	1h 5m 36s

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