Fix all header defines

src/qt/receivecoinsdialog.h

@@ -2,8 +2,8 @@
 // Distributed under the MIT/X11 software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
-#ifndef RECEIVECOINSDIALOG_H
-#define RECEIVECOINSDIALOG_H
+#ifndef BITCOIN_QT_RECEIVECOINSDIALOG_H
+#define BITCOIN_QT_RECEIVECOINSDIALOG_H
 
 #include "guiutil.h"
 
@@ -73,4 +73,4 @@ private slots:
     void copyAmount();
 };
 
-#endif // RECEIVECOINSDIALOG_H
+#endif // BITCOIN_QT_RECEIVECOINSDIALOG_H