X86VMTranslationMapPAE: Fix gcc 2 warning

... which due to the reactivated -Werror causes the build to fail.
Update -Werror work-around for arch_debug_console.o

Fixes the gcc 2 build again.
JPEGTranslator Jamfile: Fix build feature dependencies

Move jpeg build feature references into the architecture loop. While
they have the same name, these actually are different build features
(using different packages).
Fix more translator build feature dependencies