toolchain: Fix SPIRV-Headers update script
authorCody Northrop <cnorthrop@google.com>
Fri, 5 Aug 2016 20:21:21 +0000 (14:21 -0600)
committerKarl Schultz <karl@lunarg.com>
Tue, 9 Aug 2016 16:53:39 +0000 (10:53 -0600)
commitff9b0b539e5617378de5e5fc04e727f89bfb0e1d
treec7a0d1be4869ae55bd6b364d7233f817bbee65d7
parentd6cea516e7588d9e251a8f2713fb458044a751eb
toolchain: Fix SPIRV-Headers update script

Without specifying a branch, git pull fails.
update_external_sources.sh