Change in core[master]: Replaced deprecated tools/String with OUString in ScMatrix

[Gerrit]

>From Sören Möller <soerenmoeller2001 at gmail.com>:

Sören Möller has posted comments on this change.

Change subject: Replaced deprecated tools/String with OUString in ScMatrix
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Patch Set 2:

I followed Eike's suggestion and added EMPTY_OUSTRING and ScGlobal::GetEmptyOUString() and changed the returns of empty strings to use these. That should remove the memleak. Thanks for the reviews

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Gerrit-MessageType: comment
Gerrit-Change-Id: If431e5ef8b5c97384a1bb1c7fa36c6894ece8343
Gerrit-PatchSet: 2
Gerrit-Project: core
Gerrit-Branch: master
Gerrit-Owner: Sören Möller <soerenmoeller2001 at gmail.com>
Gerrit-Reviewer: Eike Rathke <erack at redhat.com>
Gerrit-Reviewer: Markus Mohrhard <markus.mohrhard at googlemail.com>
Gerrit-Reviewer: Sören Möller <soerenmoeller2001 at gmail.com>