Decouple <cstddef>

src/RageFileDriverSlice.cpp

@@ -1,6 +1,8 @@
 #include "global.h"
 #include "RageFileDriverSlice.h"
 
+#include <cstddef>
+
 RageFileDriverSlice::RageFileDriverSlice( RageFileBasic *pFile, int iOffset, int iFileSize )
 {
 	m_pFile = pFile;
@@ -32,7 +34,7 @@ RageFileDriverSlice *RageFileDriverSlice::Copy() const
 	return pRet;
 }
 
-int RageFileDriverSlice::ReadInternal( void *buf, size_t bytes )
+int RageFileDriverSlice::ReadInternal( void *buf, std::size_t bytes )
 {
 	/* Make sure we're reading from the right place.  We might have been constructed
 	 * with a file not pointing to iOffset. */