Added some REFLECT_ macros, so the reflection code doesn't have to mess with the internals of reflection.

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@218 0fc631ac-6414-0410-93d0-97cfa31319b6

src/data/symbol.cpp

@@ -108,7 +108,7 @@ IMPLEMENT_REFLECTION(SymbolPart) {
 	REFLECT(combine);
 	REFLECT(points);
 	// Fixes after reading
-	if (tag.reading()) {
+	REFLECT_IF_READING {
 		// enforce constraints
 		enforceConstraints();
 		calculateBounds();