WaE: implicit conversion of literal of type 'int' to 'bool'

Change-Id: I01290e9257aff844106b677ce2167b4b0ee96dd2

sc/source/core/tool/dbdata.cxx

@@ -716,7 +716,7 @@ void ScDBData::RefreshTableColumnNames( ScDocument* pDoc )
                         break;  // do while
                     }
                     ++nCount;
-                } while(1);
+                } while(true);
             }
         }
     }