build

Fix self-reference in NA_MD_LOOP for Windows Ruby 3.4 / Fedra43 #61

Job	Run time
Build on ruby-head-debug (debug)	2m 2s
fedora	1m 33s
ubuntu ruby-3.0	1m 3s
ubuntu ruby-2.6	1m 25s
ubuntu ruby-2.7	1m 18s
ubuntu ruby-3.1	1m 5s
ubuntu ruby-3.2	1m 4s
ubuntu ruby-head	1m 12s
ubuntu ruby-3.3	1m 5s
ubuntu ruby-3.4	1m 13s
macos ruby-2.7	58s
macos ruby-2.6	1m 3s
macos ruby-3.0	31s
macos ruby-head	35s
macos ruby-3.3	30s
macos ruby-3.2	31s
windows ruby-2.7	3m 4s
windows ruby-2.6	3m 17s
macos ruby-3.4	50s
windows ruby-3.1	2m 25s
windows ruby-3.2	2m 51s
windows ruby-3.0	2m 37s
macos ruby-3.1	31s
windows ruby-head	2m 18s
windows ruby-3.4	2m 18s
windows ruby-3.3	2m 33s
	39m 52s

Provide feedback