[patch] fix warning on branch

[Scott Kostyshak]

This patch for branch fixes a warning that was fixed on master here:
ea50cd71f9d

Is it OK?

Scott

diff --git a/src/frontends/qt4/GuiSpellchecker.cpp 
b/src/frontends/qt4/GuiSpellchecker.cpp
index 5dbdbbb..c428807 100644
--- a/src/frontends/qt4/GuiSpellchecker.cpp
+++ b/src/frontends/qt4/GuiSpellchecker.cpp
@@ -403,9 +403,8 @@ void SpellcheckerWidget::Private::check()
        docstring_list suggestions;
 
        LYXERR(Debug::GUI, "Spellchecker: start check at " << from);
-       int progress;
        try {
-               progress = bv->buffer().spellCheck(from, to, word_lang, 
suggestions);
+               bv->buffer().spellCheck(from, to, word_lang, suggestions);
        } catch (ExceptionMessage const & message) {
                if (message.type_ == WarningException) {
                        Alert::warning(message.title_, message.details_);