Fix examples mostly

src/ifcparse/storage.h

@@ -1,6 +1,10 @@
 #ifndef STORAGE_H
 #define STORAGE_H
 
+// Avoid conflicts with OpenCascade HANDLE type and RocksDB Handle
+#pragma push_macro("Handle")
+#undef Handle
+
 #ifndef IFOPSH_WITH_ROCKSDB
 
 namespace rocksdb {
@@ -483,4 +487,7 @@ namespace IfcParse {
     }
 }
 
+// redefine Handle macro.
+#pragma pop_macro("Handle")
+
 #endif // STORAGE_H