Fixed --enable-GL unresolved externals.
Fixed --enable-GL unresolved externals.

svn path=/trunk/libavg/; revision=1362

libavg/libavg,yyd01245/libavg,th3infinity/libavg,th3infinity/libavg,yyd01245/libavg,th3infinity/libavg,yyd01245/libavg,libavg/libavg,th3infinity/libavg,scotty007/libavg,scotty007/libavg,hoodie/libavg,libavg/libavg,hoodie/libavg,hoodie/libavg,hoodie/libavg,scotty007/libavg,libavg/libavg,yyd01245/libavg,scotty007/libavg