Fix: memory leak

Always free name.

Bug Summary
File:	nasl_host.c
Warning:	line 566, column 10
Potential memory leak

For testing:
run the following script
`sudo openvas-nasl -X -d -i /home/jnicola/install/var/lib/openvas/plugins/ same_host.nasl`

script:
``` nasl
display (same_host("localhost", "localhost1", cmp_hostnames: 0));
display (same_host("localhost", "localhost1", cmp_hostnames: 1));

display (same_host("127.0.0.1", "localhost1", cmp_hostnames: 0));
display (same_host("127.0.0.1", "localhost1", cmp_hostnames: 1));

display (same_host("127.0.0.2", "localhost1", cmp_hostnames: 0));
display (same_host("127.0.0.2", "localhost1", cmp_hostnames: 1));

display (same_host("localhost", "localhost2", cmp_hostnames: 0));
display (same_host("localhost", "localhost2", cmp_hostnames: 1));

display (same_host("127.0.0.1", "127.0.0.2", cmp_hostnames: 0));
display (same_host("127.0.0.1", "127.0.0.2", cmp_hostnames: 1));
```

nasl/nasl_host.c

@@ -554,15 +554,15 @@ nasl_same_host (lex_ctxt *lexic)
 
   for (i = 0; i < 2; i++)
     g_free (a[i]);
-  if (cmp_hostname)
-    {
+  //if (cmp_hostname)
+  //  {
       for (i = 0; i < 2; i++)
         {
           for (j = 0; j < names_nb[i]; j++)
             g_free (names[i][j]);
           g_free (names[i]);
         }
-    }
+      // }
   return retc;
 }