Fixed the Mingw settings for GDAL_LIBS (was written as GDAL_LIB which wasn't being picked up as the GNUmakefiles were looking for GDAL_LIBS).
Fixed the Mingw settings for GDAL_LIBS (was written as GDAL_LIB which wasn't
being picked up as the GNUmakefiles were looking for GDAL_LIBS).


marchelbling/osg,artoolkit/osg,jtorresfabra/osg,openscenegraph/osg,openscenegraph/osg,artoolkit/osg,jtorresfabra/osg,tomasthoresen/osg,tomasthoresen/osg,marchelbling/osg,scrawl/osg,marchelbling/osg,tomasthoresen/osg,marchelbling/osg,scrawl/osg,jtorresfabra/osg,scrawl/osg,tomasthoresen/osg,openscenegraph/osg,jtorresfabra/osg,artoolkit/osg,artoolkit/osg,scrawl/osg,openscenegraph/osg