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--- a/src/qtgui/recoll.h
+++ b/src/qtgui/recoll.h
@@ -36,7 +36,7 @@
 
 extern RclConfig *theconfig;
 
-extern void rememberTempFile(TempFile);
+extern TempFile *rememberTempFile(TempFile);
 extern void forgetTempFile(string &fn);
 extern void deleteAllTempFiles();