[Bugfix][T106BUG-334][T106BUG-335] fix apn_xml_delete Segmentation fault

Only Configure: No
Affected branch: master
Affected module: data
Is it affected on both ZXIC and MTK: only ZXIC
Self-test: Yes
Doc Update: No

Change-Id: Iea2a4a9a08f1b0a6070a123c47f54a628535090f
1 file changed