tests: Call virCommandFree() in cleanup section

Fix a potential memory leak by calling virCommandFree() in the cleanup
section.
Signed-off-by: NStefan Berger <stefanb@linux.ibm.com>
Reviewed-by: NJohn Ferlan <jferlan@redhat.com>
Message-Id: <20190726205633.2041912-3-stefanb@linux.vnet.ibm.com>

tests/commandtest.c

@@ -1219,8 +1219,6 @@ static int test27(const void *unused ATTRIBUTE_UNUSED)
         goto cleanup;
     }
 
-    virCommandFree(cmd);
-
     if (!outactual || !erractual)
         goto cleanup;
 
@@ -1236,6 +1234,7 @@ static int test27(const void *unused ATTRIBUTE_UNUSED)
     ret = 0;
 
  cleanup:
+    virCommandFree(cmd);
     VIR_FORCE_CLOSE(pipe1[0]);
     VIR_FORCE_CLOSE(pipe2[0]);
     VIR_FORCE_CLOSE(pipe1[1]);