ucb: Fix overwriting at index 7

It seems a typo at ee2ecbf8.
This recovers command "insert".

Change-Id: Id335799ab615c09e025badd9408aeb363200c430
Reviewed-on: https://gerrit.libreoffice.org/52552Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

ucb/source/ucp/file/filtask.cxx

@@ -347,9 +347,9 @@ TaskManager::TaskManager( const uno::Reference< uno::XComponentContext >& rxCont
     m_sCommandInfo[7].Handle = -1;
     m_sCommandInfo[7].ArgType = cppu::UnoType<InsertCommandArgument>::get();
 
-    m_sCommandInfo[7].Name = "createNewContent";
-    m_sCommandInfo[7].Handle = -1;
-    m_sCommandInfo[7].ArgType = cppu::UnoType<ucb::ContentInfo>::get();
+    m_sCommandInfo[8].Name = "createNewContent";
+    m_sCommandInfo[8].Handle = -1;
+    m_sCommandInfo[8].ArgType = cppu::UnoType<ucb::ContentInfo>::get();
 
     if(m_bWithConfig)
     {