REGTESTS: Replace REQUIRE_VERSION=2.5 with 'haproxy -cc'
This is safe, because running `haproxy -cc 'version_atleast(2.5-dev0)'` on
HAProxy 2.4 will also result in an exit code of 1.
diff --git a/reg-tests/http-messaging/http_abortonclose.vtc b/reg-tests/http-messaging/http_abortonclose.vtc
index 49cdaea..c083f29 100644
--- a/reg-tests/http-messaging/http_abortonclose.vtc
+++ b/reg-tests/http-messaging/http_abortonclose.vtc
@@ -4,7 +4,7 @@
# NOTE : This test may fail if too many vtest are running in parallel because
# the port reserved for closed s1 server may be reused by another vtest
-#REQUIRE_VERSION=2.5
+feature cmd "$HAPROXY_PROGRAM -cc 'version_atleast(2.5-dev0)'"
#REGTEST_TYPE=slow
# b1 : Don't send /c4 before /c3 was received by s2 server