Add missing check for Qt version when using QPdfWriter class

diff --git a/src/convert/lyxconvert.cpp b/src/convert/lyxconvert.cpp
index 38ca49f7a2cd9bc061c5a7bca6772d45ed73da12..27f361f755cae9df10b40a8f14db582098be9917 100644 (file)
--- a/src/convert/lyxconvert.cpp
+++ b/src/convert/lyxconvert.cpp
@@ -8,7 +8,9 @@ g++ -std=gnu++11 $cflags lyxconvert.cpp -o lyxconvert $libs
 #include <QImage>
 #include <QFile>
 #include <QPainter>
+#if (QT_VERSION >= 0x050300)
 #include <QPdfWriter>
+#endif
 
 
 const char * basename(const char * name)