sal_uIntPtr->size_t in ZCodec

to match the underlying fields

Change-Id: I79ce52b80e2589b3194616b3d43846cdefd7adae
Reviewed-on: https://gerrit.libreoffice.org/46349Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

include/tools/zcodec.hxx

@@ -58,7 +58,7 @@ class SAL_WARN_UNUSED TOOLS_DLLPUBLIC ZCodec
     void            UpdateCRC( sal_uInt8 const * pSource, long nDatSize );
 
 public:
-                    ZCodec( sal_uIntPtr nInBuf = 0x8000UL, sal_uIntPtr nOutBuf = 0x8000UL );
+                    ZCodec( size_t nInBufSize = 32768, size_t nOutBufSize = 32768 );
                     ~ZCodec();
 
     void            BeginCompression( int nCompressLevel = ZCODEC_DEFAULT_COMPRESSION, bool updateCrc = false, bool gzLib = false );

tools/source/zcodec/zcodec.cxx

@@ -37,7 +37,7 @@
 
 static const int gz_magic[2] = { 0x1f, 0x8b }; /* gzip magic header */
 
-ZCodec::ZCodec( sal_uIntPtr nInBufSize, sal_uIntPtr nOutBufSize )
+ZCodec::ZCodec( size_t nInBufSize, size_t nOutBufSize )
     : meState(STATE_INIT)
     , mbStatus(false)
     , mbFinish(false)