Log also when retrying the saveAs

Although, at least for me, after calling LOK's saveAs with an
intentionally bogus file extension 'file:///user/docs/u0.frobozz'
retrying with 'file:///user/docs/u0.frobozz.odt' does not work either.

Actually, I am not sure how useful this retry feature is as it is now.
If the user tries to save as some unsupported format, why can we
assume that maybe they want to save in some other format instead, and
possibly overwrite an existing file? Maybe the retry should be done
only if the file name to saveAs was without extension? But that was
already discussed in gerrit, I see.

Change-Id: I8bd4fbf241cb492d9654ae893af4baaf28b6b3a0

kit/ChildSession.cpp

@@ -1187,6 +1187,10 @@ bool ChildSession::saveAs(const char* /*buffer*/, int /*length*/, const std::vec
 
             if (retry)
             {
+                LOG_DBG("Retry: calling LOK's saveAs with: '" << url.c_str() << "', '" <<
+                        (format.size() == 0 ? "(nullptr)" : format.c_str()) << "', '" <<
+                        (filterOptions.size() == 0 ? "(nullptr)" : filterOptions.c_str()) << "'.");
+
                 success = getLOKitDocument()->saveAs(url.c_str(),
                         format.size() == 0 ? nullptr :format.c_str(),
                         filterOptions.size() == 0 ? nullptr : filterOptions.c_str());