scripted-diff: Avoid `interface` keyword to fix windows gitian build

Rename `interface` to `interfaces`

Build failure reported by Chun Kuan Lee <ken2812221@gmail.com>
https://github.com/bitcoin/bitcoin/pull/10244#issuecomment-379434756

-BEGIN VERIFY SCRIPT-

git mv src/interface src/interfaces
ren() { git grep -l "$1" | xargs sed -i "s,$1,$2,g"; }
ren interface/            interfaces/
ren interface::           interfaces::
ren BITCOIN_INTERFACE_    BITCOIN_INTERFACES_
ren "namespace interface" "namespace interfaces"

-END VERIFY SCRIPT-

1 files changed, 2 insertions, 2 deletions

diff --git a/src/qt/test/paymentservertests.cpp b/src/qt/test/paymentservertests.cpp
index 46e9d4d0a4..83484b5ce7 100644
--- a/src/qt/test/paymentservertests.cpp
+++ b/src/qt/test/paymentservertests.cpp
@@ -9,7 +9,7 @@
 
 #include <amount.h>
 #include <chainparams.h>
-#include <interface/node.h>
+#include <interfaces/node.h>
 #include <random.h>
 #include <script/script.h>
 #include <script/standard.h>
@@ -67,7 +67,7 @@ static SendCoinsRecipient handleRequest(PaymentServer* server, std::vector<unsig
 void PaymentServerTests::paymentServerTests()
 {
     SelectParams(CBaseChainParams::MAIN);
-    auto node = interface::MakeNode();
+    auto node = interfaces::MakeNode();
     OptionsModel optionsModel(*node);
     PaymentServer* server = new PaymentServer(nullptr, false);
     X509_STORE* caStore = X509_STORE_new();