As ENGINE_load_openbsd_dev_crypto() is an API function, it makes sense for

it to be defined on all platforms whether or not it is of any practical
use on them. This also resolves linker problems on "special" platforms,
such as win32.

crypto/engine/hw_openbsd_dev_crypto.c

@@ -55,7 +55,11 @@
 
 #ifndef OPENSSL_OPENBSD_DEV_CRYPTO
 
-static void *dummy=&dummy;
+void ENGINE_load_openbsd_dev_crypto(void)
+	{
+	/* This is a NOP unless OPENSSL_OPENBSD_DEV_CRYPTO is defined */
+	return;
+	}
 
 #else /* OPENSSL_OPENBSD_DEV_CRYPTO */