This patch resolve the issue 2838 of OOo.

It’s in two parts :
   * autocorrection comparison function during the search of the
word(s) takes care of the case.
   * possibility to insert two times the same words with different
cases.

editeng/source/misc/svxacorr.cxx

@@ -220,7 +220,6 @@ static TransliterationWrapper& GetIgnoreTranslWrapper()
 {
     static int bIsInit = 0;
     static TransliterationWrapper aWrp( GetProcessFact(),
-                ::com::sun::star::i18n::TransliterationModules_IGNORE_CASE |
                 ::com::sun::star::i18n::TransliterationModules_IGNORE_KANA |
                 ::com::sun::star::i18n::TransliterationModules_IGNORE_WIDTH );
     if( !bIsInit )