Update semver tests for DF spawn and mkostemp(s)

libc-test/semver/dragonfly.txt

@@ -771,6 +771,12 @@ POSIX_MADV_NORMAL
 POSIX_MADV_RANDOM
 POSIX_MADV_SEQUENTIAL
 POSIX_MADV_WILLNEED
+POSIX_SPAWN_RESETIDS
+POSIX_SPAWN_SETPGROUP
+POSIX_SPAWN_SETSCHEDPARAM
+POSIX_SPAWN_SETSCHEDULER
+POSIX_SPAWN_SETSIGDEF
+POSIX_SPAWN_SETSIGMASK
 PPPDISC
 PROC_PDEATHSIG_CTL
 PROC_PDEATHSIG_STATUS
@@ -1433,6 +1439,8 @@ mincore
 mkdirat
 mkfifoat
 mknodat
+mkostemp
+mkostemps
 mkstemps
 mq_attr
 mq_close
@@ -1467,6 +1475,29 @@ popen
 posix_fadvise
 posix_fallocate
 posix_madvise
+posix_spawn
+posix_spawn_file_actions_addclose
+posix_spawn_file_actions_adddup2
+posix_spawn_file_actions_addopen
+posix_spawn_file_actions_destroy
+posix_spawn_file_actions_init
+posix_spawn_file_actions_t
+posix_spawnattr_destroy
+posix_spawnattr_getflags
+posix_spawnattr_getpgroup
+posix_spawnattr_getschedparam
+posix_spawnattr_getschedpolicy
+posix_spawnattr_getsigdefault
+posix_spawnattr_getsigmask
+posix_spawnattr_init
+posix_spawnattr_setflags
+posix_spawnattr_setpgroup
+posix_spawnattr_setschedparam
+posix_spawnattr_setschedpolicy
+posix_spawnattr_setsigdefault
+posix_spawnattr_setsigmask
+posix_spawnattr_t
+posix_spawnp
 ppoll
 preadv
 procctl