loplugin:useuniqueptr in WW8PLCFx_AtnBook

Change-Id: I2bff645db03d0962764df33c7a2af1dbbc44b954
Reviewed-on: https://gerrit.libreoffice.org/58573
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

sw/source/filter/ww8/ww8scan.cxx

@@ -4536,13 +4536,12 @@ WW8PLCFx_AtnBook::WW8PLCFx_AtnBook(SvStream* pTableSt, const WW8Fib& rFib)
 {
     if (!rFib.m_fcPlcfAtnbkf || !rFib.m_lcbPlcfAtnbkf || !rFib.m_fcPlcfAtnbkl || !rFib.m_lcbPlcfAtnbkl)
     {
-        m_pBook[0] = m_pBook[1] = nullptr;
         nIMax = 0;
     }
     else
     {
-        m_pBook[0] = new WW8PLCFspecial(pTableSt, rFib.m_fcPlcfAtnbkf, rFib.m_lcbPlcfAtnbkf, 4);
-        m_pBook[1] = new WW8PLCFspecial(pTableSt, rFib.m_fcPlcfAtnbkl, rFib.m_lcbPlcfAtnbkl, 0);
+        m_pBook[0].reset( new WW8PLCFspecial(pTableSt, rFib.m_fcPlcfAtnbkf, rFib.m_lcbPlcfAtnbkf, 4) );
+        m_pBook[1].reset( new WW8PLCFspecial(pTableSt, rFib.m_fcPlcfAtnbkl, rFib.m_lcbPlcfAtnbkl, 0) );
 
         nIMax = m_pBook[0]->GetIMax();
         if (m_pBook[1]->GetIMax() < nIMax)
@@ -4552,8 +4551,6 @@ WW8PLCFx_AtnBook::WW8PLCFx_AtnBook(SvStream* pTableSt, const WW8Fib& rFib)
 
 WW8PLCFx_AtnBook::~WW8PLCFx_AtnBook()
 {
-    delete m_pBook[1];
-    delete m_pBook[0];
 }
 
 sal_uInt32 WW8PLCFx_AtnBook::GetIdx() const

sw/source/filter/ww8/ww8scan.hxx

@@ -790,7 +790,7 @@ class WW8PLCFx_AtnBook : public WW8PLCFx
 {
 private:
     /// Start and end positions.
-    WW8PLCFspecial* m_pBook[2];
+    std::unique_ptr<WW8PLCFspecial> m_pBook[2];
     /// Number of annotation marks
     sal_Int32 nIMax;
     bool m_bIsEnd;