Small preparations for Q_FOREACH, PAIRTYPE and #include <boost/foreach.hpp> removal

src/httprpc.cpp

@@ -18,7 +18,7 @@
 #include <stdio.h>
 
 #include <boost/algorithm/string.hpp> // boost::trim
-#include <boost/foreach.hpp> //BOOST_FOREACH
+#include <boost/foreach.hpp>
 
 /** WWW-Authenticate to present with 401 Unauthorized response */
 static const char* WWW_AUTH_HEADER_DATA = "Basic realm=\"jsonrpc\"";

src/qt/platformstyle.cpp

@@ -48,8 +48,7 @@ void MakeSingleColorImage(QImage& img, const QColor& colorbase)
 QIcon ColorizeIcon(const QIcon& ico, const QColor& colorbase)
 {
     QIcon new_ico;
-    QSize sz;
-    Q_FOREACH(sz, ico.availableSizes())
+    Q_FOREACH(const QSize sz, ico.availableSizes())
     {
         QImage img(ico.pixmap(sz).toImage());
         MakeSingleColorImage(img, colorbase);

src/utilstrencodings.h

@@ -18,8 +18,6 @@
 #define UBEGIN(a)           ((unsigned char*)&(a))
 #define UEND(a)             ((unsigned char*)&((&(a))[1]))
 #define ARRAYLEN(array)     (sizeof(array)/sizeof((array)[0]))
-
-/** This is needed because the foreach macro can't get over the comma in pair<t1, t2> */
 #define PAIRTYPE(t1, t2)    std::pair<t1, t2>
 
 /** Used by SanitizeString() */