File qpdf-gcc47.patch of Package qpdf

Index: qpdf-2.3.1/include/qpdf/QPDFExc.hh
===================================================================
--- qpdf-2.3.1.orig/include/qpdf/QPDFExc.hh
+++ qpdf-2.3.1/include/qpdf/QPDFExc.hh
@@ -8,6 +8,7 @@
 #ifndef __QPDFEXC_HH__
 #define __QPDFEXC_HH__
 
+#include <unistd.h>
 #include <qpdf/DLL.h>
 #include <qpdf/Constants.h>
 #include <stdexcept>
Index: qpdf-2.3.1/include/qpdf/QPDFObjectHandle.hh
===================================================================
--- qpdf-2.3.1.orig/include/qpdf/QPDFObjectHandle.hh
+++ qpdf-2.3.1/include/qpdf/QPDFObjectHandle.hh
@@ -12,6 +12,7 @@
 #include <vector>
 #include <set>
 #include <map>
+#include <unistd.h>
 
 #include <qpdf/DLL.h>