digikam/handle_right_libkexiv2_version2.diff

commit e2eeb730d02aad858f15c6f35f2a6b6beb38acf5
Author: Gilles Caulier <caulier.gilles@gmail.com>
Date:   Tue Sep 23 10:28:39 2014 +0200

    Another place where we need to handle right libkexiv2 version to extract preview and prevent crash in Exiv2 preview extractor.
    CCBUGS: 339144

diff --git a/core/libs/threadimageio/previewtask.cpp b/core/libs/threadimageio/previewtask.cpp
index 3c3b72a..99bb4d6 100644
--- a/core/libs/threadimageio/previewtask.cpp
+++ b/core/libs/threadimageio/previewtask.cpp
@@ -254,7 +254,11 @@ void PreviewLoadingTask::execute()
             // require at least half preview size
             if (qMax(previews.width(), previews.height()) >= sizeLimit)
             {
+
+                // See bug #339144 : only handle preview if right libkexiv2 version is used.
+#if KEXIV2_VERSION >= 0x020302
                 qimage = previews.image();
+#endif
 
                 if (!qimage.isNull())
                 {