Fix edge tag error in swap23. #614

Job	Run time
mmg-debug / ci (ubuntu-20.04, on, off, on, off, int32_t)	1h 19m 27s
mmg-debug / ci (ubuntu-20.04, on, off, off, off, int32_t)	1h 36m 14s
mmg-debug / ci (ubuntu-20.04, off, off, on, off, int32_t)	1h 1m 8s
mmg-debug / ci (ubuntu-20.04, off, off, off, off, int32_t)	1h 16m 45s
mmg-debug / ci (macos-12, on, off, on, off, int32_t)	1m 1s
mmg-debug / ci (macos-12, on, off, off, off, int32_t)	20s
mmg-debug / ci (macos-12, off, off, on, off, int32_t)	1m 19s
mmg-debug / ci (macos-12, off, off, off, off, int32_t)	26s
mmg-debug / ci (ubuntu-20.04, off, off, off, on, int32_t)	4m 2s
mmg-debug / ci (macos-12, off, off, off, on, int32_t)	2m 32s
mmg-debug / ci (ubuntu-20.04, off, on, on, off, int32_t)	1h 2m 57s
mmg-debug / ci (macos-12, off, on, on, off, int32_t)	54s
mmg-debug / ci (windows-2022, off, off, off, off, int32_t)	54m 27s
mmg-debug / ci (windows-2022, on, off, off, off, int32_t)	56m 55s
mmg-debug / ci (windows-2022, off, on, off, off, int32_t)	55m 29s
mmg-debug / ci (ubuntu-20.04, on, on, on, on, int64_t)	5m 15s
mmg-debug / ci (ubuntu-20.04, off, off, on, on, int64_t)	1h 11m 12s
mmg-debug / ci (ubuntu-20.04, off, off, off, off, int64_t)	2m 0s
mmg-debug / ci (macos-12, on, on, on, on, int64_t)	4m 18s
mmg-debug / ci (macos-12, off, off, off, off, int64_t)	24s
mmg-debug / ci (windows-2022, on, on, off, off, int64_t)	4m 23s
mmg-debug / ci (windows-2022, off, off, off, off, int64_t)	4m 46s
mmg-debug / upload_coverage	0s
	10h 46m 14s

Provide feedback