cppcheck: Variable 'i' is assigned a value that is never used

Change-Id: I02e0f878e743576ebb3c80e3120fa1dc54e379ed

shell/source/win32/zipfile/zipfile.cxx

@@ -204,7 +204,6 @@ static bool readCentralDirectoryEntry(StreamInterface *stream, CentralDirectoryE
         entry.internal_attr = readShort(stream);
         entry.external_attr = readInt(stream);
         entry.offset = readInt(stream);
-        unsigned short i = 0;
         entry.filename.assign(readString(stream, entry.filename_size));
         entry.extra_field.assign(readString(stream, entry.extra_field_size));
         entry.file_comment.assign(readString(stream, entry.file_comment_size));
@@ -234,7 +233,6 @@ static bool readLocalFileHeader(StreamInterface *stream, LocalFileHeader &header
         header.uncompressed_size = readInt(stream);
         header.filename_size = readShort(stream);
         header.extra_field_size = readShort(stream);
-        unsigned short i = 0;
         header.filename.assign(readString(stream, header.filename_size));
         header.extra_field.assign(readString(stream, header.extra_field_size));
     }

sw/source/core/uibase/utlui/content.cxx

@@ -1494,7 +1494,7 @@ bool  SwContentTree::Expand( SvTreeListEntry* pParent )
 
 bool  SwContentTree::Collapse( SvTreeListEntry* pParent )
 {
-    bool bRet;
+    bool bRet(false);
     if(!bIsRoot || (((SwContentType*)pParent->GetUserData())->GetType() == CONTENT_TYPE_OUTLINE) ||
             (nRootType == CONTENT_TYPE_OUTLINE))
     {