diff -r cc75c76972ee -r c0432d11811c src/gui/image/qpicture.cpp
--- a/src/gui/image/qpicture.cpp	Wed Apr 21 12:15:23 2010 +0300
+++ b/src/gui/image/qpicture.cpp	Wed Apr 21 20:15:53 2010 +0300
@@ -108,8 +108,8 @@
 const char  *qt_mfhdr_tag = "QPIC"; // header tag
 static const quint16 mfhdr_maj = 11; // major version #
 static const quint16 mfhdr_min = 0; // minor version #
-extern int qt_defaultDpiX();
-extern int qt_defaultDpiY();
+Q_GUI_EXPORT extern int qt_defaultDpiX();
+Q_GUI_EXPORT extern int qt_defaultDpiY();
 
 /*!
     Constructs an empty picture.