List the compiled-in hardware support when passed the -a flag.

--- openssl-0.9.7-beta5/apps/version.c	2002-12-03 11:34:28.000000000 -0500
+++ openssl-0.9.7-beta5/apps/version.c	2002-12-11 19:29:10.000000000 -0500
@@ -130,6 +130,7 @@
 #ifndef OPENSSL_NO_BF
 # include <openssl/blowfish.h>
 #endif
+#include <openssl/engine.h>
 
 #undef PROG
 #define PROG	version_main
@@ -139,7 +140,7 @@
 int MAIN(int argc, char **argv)
 	{
 	int i,ret=0;
-	int cflags=0,version=0,date=0,options=0,platform=0,dir=0;
+	int cflags=0,version=0,date=0,options=0,platform=0,dir=0,engines=0;
 
 	apps_startup();
 
@@ -163,7 +164,7 @@
 		else if (strcmp(argv[i],"-d") == 0)
 			dir=1;
 		else if (strcmp(argv[i],"-a") == 0)
-			date=version=cflags=options=platform=dir=1;
+			date=version=cflags=options=platform=dir=engines=1;
 		else
 			{
 			BIO_printf(bio_err,"usage:version -[avbofp]\n");
@@ -198,6 +199,18 @@
 		}
 	if (cflags)  printf("%s\n",SSLeay_version(SSLEAY_CFLAGS));
 	if (dir)  printf("%s\n",SSLeay_version(SSLEAY_DIR));
+	if (engines)
+		{
+		ENGINE *e;
+		printf("engines:  ");
+		e = ENGINE_get_first();
+		while (e)
+			{
+			printf("%s ", ENGINE_get_id(e));
+			e = ENGINE_get_next(e);
+			}
+		printf("\n");
+		}
 end:
 	apps_shutdown();
 	OPENSSL_EXIT(ret);