sw: these can be asserts

Change-Id: I4ad1ff6fad2f4097c128dcaea5cf6064e2524aad

sw/source/uibase/config/uinums.cxx

@@ -117,7 +117,7 @@ void SwChapterNumRules::CreateEmptyNumRule(sal_uInt16 const nIndex)
 void SwChapterNumRules::ApplyNumRules(const SwNumRulesWithName &rCopy, sal_uInt16 nIdx)
 {
     bModified = true;
-    OSL_ENSURE(nIdx < nMaxRules, "Array der NumRules ueberindiziert.");
+    assert(nIdx < nMaxRules);
     if( !pNumRules[nIdx] )
         pNumRules[nIdx] = new SwNumRulesWithName( rCopy );
     else

sw/source/uibase/inc/uinums.hxx

@@ -113,7 +113,7 @@ public:
 
 inline const SwNumRulesWithName *SwChapterNumRules::GetRules(sal_uInt16 nIdx) const
 {
-    OSL_ENSURE(nIdx < nMaxRules, "Array der NumRules ueberindiziert.");
+    assert(nIdx < nMaxRules);
     return pNumRules[nIdx];
 }