make add_project_dependencies respect build version of include dirs

Fixes #10695

mesonbuild/interpreter/interpreter.py

@@ -2753,7 +2753,7 @@ class Interpreter(InterpreterBase, HoldableObject):
             for i in d.get_include_dirs():
                 for lang in kwargs['language']:
                     comp = self.coredata.compilers[for_machine][lang]
-                    for idir in i.to_string_list(self.environment.get_source_dir()):
+                    for idir in i.to_string_list(self.environment.get_source_dir(), self.environment.get_build_dir()):
                         compile_args.extend(comp.get_include_args(idir, system_incdir))
 
             self._add_project_arguments(node, self.build.projects_args[for_machine], compile_args, kwargs)