build error

[Kralidis,Tom [Burlington]]

FYI when trying to build ruby mapscript:
 
$ ruby extconf.rb 
creating Makefile
$ make
gcc -I. -I/usr/lib/ruby/1.8/i386-linux -I/usr/lib/ruby/1.8/i386-linux -I. -I. -I/usr/local/include -I/usr/local/include -I/usr/local//include -I/usr/local/include -I/usr/local/include -idirafter /usr/lib/ruby/1.8/i386-linux -DHAVE_VSNPRINTF -DNEED_STRLCAT -DUSE_EPPL -DUSE_PROJ -DUSE_GD_GIF -DUSE_GD_PNG -DUSE_GD_JPEG -DUSE_GD_WBMP -DUSE_GD_FT -DGD_HAS_FTEX_XSHOW -DGD_HAS_GDIMAGEGIFPTR -DGD_HAS_GETBITMAPFONTS -DUSE_OGR -DUSE_GDAL -DUSE_GEOS -DUSE_WMS_SVR -DUSE_WMS_LYR -DUSE_WFS_SVR -DUSE_WFS_LYR -DUSE_WCS_SVR -DUSE_SOS_SVR -fPIC   -c mapscript_wrap.c
mapscript_wrap.c: In function '_wrap_layerObj_transparency_set':
mapscript_wrap.c:18990: error: 'layerObj' has no member named 'transparency'
mapscript_wrap.c: In function '_wrap_layerObj_transparency_get':
mapscript_wrap.c:19014: error: 'layerObj' has no member named 'transparency'
make: *** [mapscript_wrap.o] Error 1
$