Configure: complete the changed fuzz option checks

Reviewed-by: Andy Polyakov <appro@openssl.org>

Configure

diff --git a/Configure b/Configure
index 645548d..7bbb5b7 100755
--- a/Configure
+++ b/Configure
@@ -1071,7 +1071,8 @@
     $config{cflags} .= "-fsanitize=undefined -fno-sanitize-recover=all ";
 }
 
-unless ($disabled{fuzz} && $disabled{asan} && $disabled{ubsan}) {
+unless ($disabled{"fuzz-libfuzzer"} && $disabled{"fuzz-afl"}
+        && $disabled{asan} && $disabled{ubsan}) {
     $config{cflags} .= "-fno-omit-frame-pointer -g ";
 }
 #