move Q_VOID definition to qcorecommon_p header

Signed-off-by: Ivailo Monev <xakepa10@gmail.com>

src/core/io/qiodevice.cpp

@@ -64,8 +64,6 @@ inline void debugBinaryString(const char *data, qint64 maxlen)
 }
 #endif
 
-#define Q_VOID
-
 #define CHECK_MAXLEN(function, returnType) \
     do { \
         if (Q_UNLIKELY(maxSize < 0)) { \

src/core/io/qtextstream.cpp

@@ -216,7 +216,6 @@
 #endif
 
 // A precondition macro
-#define Q_VOID
 #define CHECK_VALID_STREAM(x) do { \
     if (!d->string && !d->device) { \
         qWarning("QTextStream: No device"); \

src/core/qcorecommon_p.h

@@ -9,6 +9,8 @@
 
 QT_BEGIN_NAMESPACE
 
+#define Q_VOID
+
 #define QBYTEARRAY_MAX INT_MAX
 
 // enough space to hold BOM, each char as surrogate pair and terminator

src/network/socket/qnativesocketengine.cpp

@@ -83,6 +83,7 @@
 #include "qnativesocketengine_p.h"
 #include "qthread_p.h"
 #include "qobject_p.h"
+#include "qcorecommon_p.h"
 
 #if !defined(QT_NO_NETWORKPROXY)
 # include "qnetworkproxy.h"
@@ -94,8 +95,6 @@ QT_BEGIN_NAMESPACE
 
 //#define QNATIVESOCKETENGINE_DEBUG
 
-#define Q_VOID
-
 // Common checks
 #define Q_CHECK_VALID_SOCKETLAYER(function, returnValue) do { \
     if (!isValid()) { \