fix windows build after my OUString change

std::max on windows doesn't like mixing int and sal_Int32

Change-Id: I0ad74f72d48a4bc7fea2d7d8a57e3d2f0b7d7bca

editeng/source/uno/unoedprx.cxx

@@ -215,7 +215,7 @@ void SvxAccessibleTextIndex::SetEEIndex( sal_uInt16 nEEIndex, const SvxTextForwa
         }
 
         // #106010#
-        mnIndex += ::std::max(aFieldInfo.aCurrentText.getLength()-1, 0);
+        mnIndex += ::std::max(aFieldInfo.aCurrentText.getLength()-1, (sal_Int32)0);
     }
 }
 
@@ -269,13 +269,13 @@ void SvxAccessibleTextIndex::SetIndex( sal_Int32 nIndex, const SvxTextForwarder&
             break;
 
         // #106010#
-        mnEEIndex -= ::std::max(aFieldInfo.aCurrentText.getLength()-1, 0);
+        mnEEIndex -= ::std::max(aFieldInfo.aCurrentText.getLength()-1, (sal_Int32)0);
 
         // we're within a field
         if( aFieldInfo.aPosition.nIndex >= mnEEIndex )
         {
             AreInField();
-            SetFieldOffset( ::std::max(aFieldInfo.aCurrentText.getLength()-1, 0) - (aFieldInfo.aPosition.nIndex - mnEEIndex),
+            SetFieldOffset( ::std::max(aFieldInfo.aCurrentText.getLength()-1, (sal_Int32)0) - (aFieldInfo.aPosition.nIndex - mnEEIndex),
                             aFieldInfo.aCurrentText.getLength() );
             mnEEIndex = aFieldInfo.aPosition.nIndex ;
             break;