loplugin:useuniqueptr in DocumentFieldsManager

Change-Id: I79d18cb8fdb029afbe6008edd058265b1503e5eb
Reviewed-on: https://gerrit.libreoffice.org/52031Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

sw/source/core/doc/DocumentFieldsManager.cxx

@@ -153,7 +153,7 @@ DocumentFieldsManager::DocumentFieldsManager( SwDoc& i_rSwdoc ) : m_rDoc( i_rSwd
 
 const SwFieldTypes* DocumentFieldsManager::GetFieldTypes() const
 {
-    return mpFieldTypes;
+    return mpFieldTypes.get();
 }
 
 /** Insert field types
@@ -1701,8 +1701,8 @@ void DocumentFieldsManager::UpdateDBNumFields( SwDBNameInfField& rDBField, SwCal
 
 DocumentFieldsManager::~DocumentFieldsManager()
 {
-    delete mpUpdateFields;
-    delete mpFieldTypes;
+    mpUpdateFields.reset();
+    mpFieldTypes.reset();
 }
 
 }

sw/source/core/inc/DocumentFieldsManager.hxx

@@ -21,6 +21,7 @@
 
 #include <IDocumentFieldsAccess.hxx>
 #include <sal/types.h>
+#include <memory>
 
 class SwDoc;
 class SwDBNameInfField;
@@ -97,8 +98,8 @@ private:
     SwDoc& m_rDoc;
 
     bool mbNewFieldLst; //< TRUE: Rebuild field-list.
-    SwDocUpdateField    *mpUpdateFields; //< Struct for updating fields
-    SwFieldTypes      *mpFieldTypes;
+    std::unique_ptr<SwDocUpdateField> mpUpdateFields; //< Struct for updating fields
+    std::unique_ptr<SwFieldTypes>     mpFieldTypes;
     sal_Int8    mnLockExpField;  //< If != 0 UpdateExpFields() has no effect!
 };