crypto/aes/asm/aes-s390x.pl: fix $softonly=1 code path.
@@ -1439,7 +1439,7 @@ $code.=<<___ if (!$softonly);
.Lctr32_hw_switch:
___
-$code.=<<___ if (0); ######### kmctr code was measured to be ~12% slower
+$code.=<<___ if (!$softonly && 0);# kmctr code was measured to be ~12% slower
larl $s0,OPENSSL_s390xcap_P
lg $s0,8($s0)
tmhh $s0,0x0004 # check for message_security-assist-4
@@ -1488,7 +1488,7 @@ $code.=<<___ if (0); ######### kmctr code was measured to be ~12% slower
br $ra
.align 16
___
-$code.=<<___;
+$code.=<<___ if (!$softonly);
.Lctr32_km_loop:
la $s2,16($sp)
lgr $s3,$fp
