Since the APIs support just one element per namespace and while
modifying an element all duplicates would be removed, let's do this
right away in the post parse callback.
Resolves:
https://bugzilla.redhat.com/show_bug.cgi?id=1190590
---
src/conf/domain_conf.c | 42 ++++++++++++++++++++++
.../qemuxml2argv-metadata-duplicate.xml | 34 ++++++++++++++++++
.../qemuxml2xmlout-metadata-duplicate.xml | 31 ++++++++++++++++
tests/qemuxml2xmltest.c | 1 +
4 files changed, 108 insertions(+)
create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-metadata-duplicate.xml
create mode 100644 tests/qemuxml2xmloutdata/qemuxml2xmlout-metadata-duplicate.xml