openssl speed -multi -evp prints wrong algorithm name

When running `openssl speed -evp md5` the result shows `md5` as algorithm
name. But when adding the option `-multi 2` it gives `evp` as algorithm
name.

Signed-off-by: Jörg Sommer <joerg@jo-so.de>

Reviewed-by: Tom Cosgrove <tom.cosgrove@arm.com>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from #21216)

(cherry picked from commit 33c0934)

apps/speed.c

@@ -3179,12 +3179,22 @@ int speed_main(int argc, char **argv)
     }
 
     for (k = 0; k < ALGOR_NUM; k++) {
+        const char *alg_name = names[k];
+
         if (!doit[k])
             continue;
+
+        if (k == D_EVP) {
+            if (evp_cipher == NULL)
+                alg_name = evp_md_name;
+            else if ((alg_name = EVP_CIPHER_get0_name(evp_cipher)) == NULL)
+                app_bail_out("failed to get name of cipher '%s'\n", evp_cipher);
+        }
+
         if (mr)
-            printf("+F:%u:%s", k, names[k]);
+            printf("+F:%u:%s", k, alg_name);
         else
-            printf("%-13s", names[k]);
+            printf("%-13s", alg_name);
         for (testnum = 0; testnum < size_num; testnum++) {
             if (results[k][testnum] > 10000 && !mr)
                 printf(" %11.2fk", results[k][testnum] / 1e3);