(flickcurl_build_institutions): Resource leak [coverity CID 58665]
(flickcurl_build_method): Resource leak [coverity CID 56681]
(flickcurl_invoke_get_form_content): Clean tidy path
Remove not-needed if(xpathNodeCtx) on cleanup paths
(flickcurl_build_method): Remove if(method) check around cleanup
[coverity CID 56697]
(flickcurl_build_location): Look for first element. [coverity CID 56708]
comment
(flickcurl_build_perms): Look for first element. [coverity CID 56709]
(flickcurl_oauth_prepare_common): Use free_nonce [coverity CID 56698]
(flickcurl_oauth_prepare_common): Check malloc failures
Remove not-needed if(xpathNodeCtx) on cleanup path