tools/tests/vpci/main.c: drop unused variables

They may become build failures.

Signed-off-by: Edwin Török <edwin.torok@citrix.com>
Acked-by: Roger Pau Monné <roger.pau@citrix.com>

tools/tests/vpci/main.c

@@ -189,8 +189,6 @@ main(int argc, char **argv)
     uint32_t r24 = 0;
     uint8_t r28, r30;
     struct mask_data r32;
-    unsigned int i;
-    int rc;
 
     INIT_LIST_HEAD(&vpci.handlers);
     spin_lock_init(&vpci.lock);