Add braces to if statements in Qt test_main

src/qt/test/test_main.cpp

@@ -50,19 +50,23 @@ int main(int argc, char *argv[])
     SSL_library_init();
 
     URITests test1;
-    if (QTest::qExec(&test1) != 0)
+    if (QTest::qExec(&test1) != 0) {
         fInvalid = true;
+    }
 #ifdef ENABLE_WALLET
     PaymentServerTests test2;
-    if (QTest::qExec(&test2) != 0)
+    if (QTest::qExec(&test2) != 0) {
         fInvalid = true;
+    }
 #endif
     RPCNestedTests test3;
-    if (QTest::qExec(&test3) != 0)
+    if (QTest::qExec(&test3) != 0) {
         fInvalid = true;
+    }
     CompatTests test4;
-    if (QTest::qExec(&test4) != 0)
+    if (QTest::qExec(&test4) != 0) {
         fInvalid = true;
+    }
 
     return fInvalid;
 }