Auto merge of #2155 - JohnTitor:openbsd-semver-check-tweak, r=JohnTitor

Add some functions added by #2153 to the semver list

r? `@ghost` cc `@semarie`

Author: bors

libc-test/semver/openbsd.txt

@@ -893,6 +893,7 @@ dirfd
 dl_iterate_phdr
 dl_phdr_info
 dup3
+duplocale
 endgrent
 endpwent
 endservent
@@ -906,6 +907,7 @@ fdopendir
 fmemopen
 forkpty
 freeifaddrs
+freelocale
 fsid_t
 fstatfs
 fusefs_args
@@ -969,6 +971,7 @@ mkstemps
 mount_info
 msdosfs_args
 msghdr
+newlocale
 nfs_args
 nice
 nl_item
@@ -1067,6 +1070,7 @@ udf_args
 ufs_args
 unmount
 useconds_t
+uselocale
 utimensat
 utmp
 wait4