gdal 1.11.1
gdal: update 1.11.1 bottle.

Closes #32883.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
gmtl: Patch scons script to build on clang

- The upstream scons script only allows to compile using gcc, but not clang
gmtl: add scons-clang bug url
gmtl: add 0.6.1 bottle.