Fix build in the !HAVE_FEATURE_PDFIUM case

Change-Id: Ia9263e67c3a4094a58141a8140de66a22accb768
Signed-off-by: Michael Meeks <michael.meeks@collabora.com>

vcl/source/filter/ipdf/pdfread.cxx

@@ -192,7 +192,7 @@ bool getCompatibleStream(SvStream& rInStream, SvStream& rOutStream,
     return rOutStream.good();
 }
 #else
-size_t generatePreview(SvStream&, std::vector<Bitmap>&, sal_uInt64, sal_uInt64, size_t, int)
+size_t generatePreview(SvStream&, std::vector<Bitmap>&, sal_uInt64, sal_uInt64, size_t, int, double)
 {
     return 0;
 }