Strip whitespace when reading RRD XML
Strip whitespace when reading RRD XML

Imported from xen-api.git f35f24e8dd7bf54a2db6b788316335b8c8111b82

Signed-off-by: Jerome Maloberti <d70e3ea0aec84cf6d90aaa1e2d6c5900ceb5023c@citrix.com>
Imported-by: John Else <37b74501daa612e48fea94f9846ed4ddeb6a8f07@citrix.com>

simonjbeaumont/xcp-rrdd,johnelse/xcp-rrdd,koushikcgit/xcp-rrdd,simonjbeaumont/xcp-rrdd,djs55/xcp-rrdd,djs55/xcp-rrdd,koushikcgit/xcp-rrdd,koushikcgit/xcp-rrdd,johnelse/xcp-rrdd