lib/common.Makefile: Filesystem: $(wildcard/): Fixed bug where {} exprs weren't handled correctly when some branches contained *, by using `shopt -s nullglob` and bash directly instead of trying to emulate it with grep
lib/common.Makefile: Filesystem: $(wildcard/): Fixed bug where {} exprs weren't handled correctly when some branches contained *, by using `shopt -s nullglob` and bash directly instead of trying to emulate it with grep