Resolves: tdf#91057 transliterateChar2Char throws MultipleCharsOutputException

for ß, but toTitle only allows RuntimeException, which is our usual
awesomeness

Change-Id: Ib5618a55a369fa5cd1d323f657f0798776828386

i18npool/source/characterclassification/cclass_unicode.cxx

@@ -21,8 +21,10 @@
 #include <com/sun/star/i18n/UnicodeScript.hpp>
 #include <com/sun/star/i18n/UnicodeType.hpp>
 #include <com/sun/star/i18n/KCharacterType.hpp>
+#include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>
 #include <unicode/uchar.h>
 #include <comphelper/string.hxx>
+#include <cppuhelper/exc_hlp.hxx>
 #include <cppuhelper/supportsservice.hxx>
 #include <breakiteratorImpl.hxx>
 
@@ -79,6 +81,8 @@ cclass_Unicode::toLower( const OUString& Text, sal_Int32 nPos, sal_Int32 nCount,
 
 OUString SAL_CALL
 cclass_Unicode::toTitle( const OUString& Text, sal_Int32 nPos, sal_Int32 nCount, const Locale& rLocale ) throw(RuntimeException, std::exception) {
+    try
+    {
         sal_Int32 len = Text.getLength();
         if (nPos >= len)
             return OUString();
@@ -100,6 +104,18 @@ cclass_Unicode::toTitle( const OUString& Text, sal_Int32 nPos, sal_Int32 nCount,
         }
         *out = 0;
         return OUString( pStr, SAL_NO_ACQUIRE );
+    }
+    catch (const RuntimeException&)
+    {
+        throw;
+    }
+    catch (const Exception& e)
+    {
+        uno::Any a(cppu::getCaughtException());
+        throw lang::WrappedTargetRuntimeException(
+            "wrapped Exception " + e.Message,
+            uno::Reference<uno::XInterface>(), a);
+    }
 }
 
 sal_Int16 SAL_CALL