[Qt] style police and small addition in rpcconsole

- fix spaces, indentation and coding style glitches

src/qt/guiutil.cpp

@@ -780,7 +780,7 @@ QString formatServicesStr(uint64_t mask)
     QStringList strList;
 
     // Just scan the last 8 bits for now.
-    for (int i=0; i < 8; i++) {
+    for (int i = 0; i < 8; i++) {
         uint64_t check = 1 << i;
         if (mask & check)
         {
@@ -799,7 +799,6 @@ QString formatServicesStr(uint64_t mask)
         return strList.join(" & ");
     else
         return QObject::tr("None");
-
 }
 
 } // namespace GUIUtil