Remove useless sapces in xdocs/changes.xml
Remove useless sapces in xdocs/changes.xml

git-svn-id: https://svn.apache.org/repos/asf/jmeter/trunk@1814969 13f79535-47bb-0310-9956-ffa450edef68

Former-commit-id: 22b4dab8f04592eb5092a7ac3dcc0eada32f4577
apache/jmeter,benbenw/jmeter,ham1/jmeter,apache/jmeter,ham1/jmeter,etnetera/jmeter,ham1/jmeter,ham1/jmeter,etnetera/jmeter,etnetera/jmeter,etnetera/jmeter,apache/jmeter,benbenw/jmeter,benbenw/jmeter,ham1/jmeter,apache/jmeter,etnetera/jmeter,apache/jmeter,benbenw/jmeter