blaze: cookbook: properly quote shell variables
blaze: cookbook: properly quote shell variables

Using $* is an abomination.  Use properly quoted $@ instead in the
example merge.sh script.  While at it, fix the syntax highlighting
(merge.sh is shell code not Python).

RELNOTES: Improved merge.sh script in cookbook.
PiperOrigin-RevId: 172789316

aehlig/bazel,damienmg/bazel,aehlig/bazel,twitter-forks/bazel,ulfjack/bazel,cushon/bazel,ulfjack/bazel,perezd/bazel,dropbox/bazel,perezd/bazel,bazelbuild/bazel,spxtr/bazel,damienmg/bazel,dropbox/bazel,dslomov/bazel,snnn/bazel,dropbox/bazel,dslomov/bazel,spxtr/bazel,damienmg/bazel,meteorcloudy/bazel,cushon/bazel,katre/bazel,aehlig/bazel,ButterflyNetwork/bazel,safarmer/bazel,damienmg/bazel,dslomov/bazel-windows,bazelbuild/bazel,bazelbuild/bazel,meteorcloudy/bazel,snnn/bazel,katre/bazel,safarmer/bazel,akira-baruah/bazel,aehlig/bazel,dslomov/bazel,cushon/bazel,ulfjack/bazel,davidzchen/bazel,bazelbuild/bazel,bazelbuild/bazel,perezd/bazel,perezd/bazel,davidzchen/bazel,davidzchen/bazel,dslomov/bazel-windows,ulfjack/bazel,akira-baruah/bazel,akira-baruah/bazel,dslomov/bazel,ulfjack/bazel,safarmer/bazel,safarmer/bazel,perezd/bazel,dslomov/bazel-windows,ButterflyNetwork/bazel,meteorcloudy/bazel,twitter-forks/bazel,spxtr/bazel,aehlig/bazel,werkt/bazel,meteorcloudy/bazel,dslomov/bazel-windows,meteorcloudy/bazel,dropbox/bazel,cushon/bazel,werkt/bazel,werkt/bazel,werkt/bazel,snnn/bazel,katre/bazel,dslomov/bazel-windows,akira-baruah/bazel,ButterflyNetwork/bazel,ulfjack/bazel,safarmer/bazel,aehlig/bazel,twitter-forks/bazel,damienmg/bazel,spxtr/bazel,dslomov/bazel,bazelbuild/bazel,snnn/bazel,katre/bazel,snnn/bazel,snnn/bazel,meteorcloudy/bazel,spxtr/bazel,twitter-forks/bazel,davidzchen/bazel,ButterflyNetwork/bazel,meteorcloudy/bazel,katre/bazel,damienmg/bazel,cushon/bazel,davidzchen/bazel,davidzchen/bazel,safarmer/bazel,snnn/bazel,ulfjack/bazel,dslomov/bazel-windows,ButterflyNetwork/bazel,twitter-forks/bazel,dslomov/bazel,ButterflyNetwork/bazel,spxtr/bazel,spxtr/bazel,twitter-forks/bazel,perezd/bazel,aehlig/bazel,akira-baruah/bazel,dropbox/bazel,damienmg/bazel,davidzchen/bazel,akira-baruah/bazel,twitter-forks/bazel,dropbox/bazel,werkt/bazel,cushon/bazel,perezd/bazel,werkt/bazel,katre/bazel,dslomov/bazel