include: Fix a couple more missing includes...

dtool/src/cppparser/cppMakeProperty.h

@@ -18,6 +18,7 @@
 #include "dtoolbase.h"
 
 #include "cppDeclaration.h"
+#include "cppIdentifier.h"
 
 ///////////////////////////////////////////////////////////////////
 //       Class : CPPMakeProperty

dtool/src/interrogatedb/interrogateElement.cxx

@@ -13,6 +13,7 @@
 ////////////////////////////////////////////////////////////////////
 
 #include "interrogateElement.h"
+#include "interrogateDatabase.h"
 #include "indexRemapper.h"
 #include "interrogate_datafile.h"