virsh.c: avoid all leaks in OOM path in cmdCPUBaseline

Signed-off-by: NJiri Denemark <jdenemar@redhat.com>

tools/virsh.c

@@ -7140,11 +7140,9 @@ cleanup:
     return ret;
 
 no_memory:
-    VIR_FREE(list);
-    VIR_FREE(buffer);
     vshError(ctl, "%s", _("Out of memory"));
     ret = FALSE;
-    return ret;
+    goto cleanup;
 }
 
 /* Common code for the edit / net-edit / pool-edit functions which follow. */