qt: define QT_NO_KEYWORDS

QT_NO_KEYWORDS prevents Qt from defining the `foreach`, `signals`,
`slots` and `emit` macros.

Avoid overlap between Qt macros and boost - for example #undef hackiness
in #6421.

Conflicts:
	src/qt/addressbookpage.cpp
	src/qt/peertablemodel.cpp
	src/qt/receivecoinsdialog.cpp
	src/qt/rpcconsole.cpp

Rebased-From: d29ec6c2301e593d577126d1ca85b93307b32bf1
Github-Pull: #6433

1 files changed, 1 insertions, 1 deletions

diff --git a/src/qt/test/uritests.h b/src/qt/test/uritests.h
index a0b7dc6c72..434169dcde 100644
--- a/src/qt/test/uritests.h
+++ b/src/qt/test/uritests.h
@@ -12,7 +12,7 @@ class URITests : public QObject
 {
     Q_OBJECT
 
-private slots:
+private Q_SLOTS:
     void uriTests();
 };