tdf#125261 sw_redlinehide: fix inf. loop in SwAutoFormat::AutoCorrect()

The problem is that somehow a subraction of 1 from nPos made its way
into commit 938f8a6b387828b8c18819184c47a5245bdfac8a, which is likely
some copypasta blunder.

Change-Id: I46362fb416b9078ffe441396bcf927bfa5a23fd7
Reviewed-on: https://gerrit.libreoffice.org/72282
Tested-by: Jenkins
Reviewed-by: Michael Stahl <Michael.Stahl@cib.de>
(cherry picked from commit afb566b6d3b15b013007a71efe0949800aa22666)
Reviewed-on: https://gerrit.libreoffice.org/72288
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>
diff --git a/sw/source/core/edit/autofmt.cxx b/sw/source/core/edit/autofmt.cxx
index 456008c..3f7990f 100644
--- a/sw/source/core/edit/autofmt.cxx
+++ b/sw/source/core/edit/autofmt.cxx
@@ -2145,7 +2145,7 @@ void SwAutoFormat::AutoCorrect(TextFrameIndex nPos)
            if( m_aFlags.bAutoCorrect &&
                aACorrDoc.ChgAutoCorrWord(reinterpret_cast<sal_Int32&>(nSttPos), sal_Int32(nPos), *pATst, nullptr))
            {
                nPos = m_pCurTextFrame->MapModelToViewPos(*m_aDelPam.GetPoint()) - TextFrameIndex(1);
                nPos = m_pCurTextFrame->MapModelToViewPos(*m_aDelPam.GetPoint());

                if( m_aFlags.bWithRedlining )
                {
@@ -2181,7 +2181,7 @@ void SwAutoFormat::AutoCorrect(TextFrameIndex nPos)
                    SetRedlineText( STR_AUTOFMTREDL_DETECT_URL ) &&
                    pATst->FnSetINetAttr(aACorrDoc, *pText, sal_Int32(nLastBlank), sal_Int32(nPos), eLang)))
            {
                nPos = m_pCurTextFrame->MapModelToViewPos(*m_aDelPam.GetPoint()) - TextFrameIndex(1);
                nPos = m_pCurTextFrame->MapModelToViewPos(*m_aDelPam.GetPoint());
            }
            else
            {