curl_xml: fix 3 small memory leaks
authorMarc Fournier <marc.fournier@camptocamp.com>
Tue, 12 May 2015 20:14:23 +0000 (22:14 +0200)
committerMarc Fournier <marc.fournier@camptocamp.com>
Tue, 19 May 2015 16:36:05 +0000 (18:36 +0200)
Discovered while testing the previous 2 commits. NB: valgrind
already complained about these before 0afea606 was applied, so this
isn't related to issue #935.


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