assert on empty line

Change-Id: Ifa3cccb13a3595998d4c85957a69fb7ecb047dd0
Reviewed-on: https://gerrit.libreoffice.org/52525Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

linguistic/source/dicimp.cxx

@@ -376,7 +376,7 @@ ErrCode DictionaryNeo::loadEntries(const OUString &rMainURL)
         // remaining lines - stock strings (a [==] b)
         while (pStream->ReadLine(aLine))
         {
-            if (aLine[0] == '#') // skip comments
+            if (aLine.isEmpty() || aLine[0] == '#') // skip comments
                 continue;
             OUString aText = OStringToOUString(aLine, RTL_TEXTENCODING_UTF8);
             uno::Reference< XDictionaryEntry > xEntry =