Bug 1519501 - Update min cbindgen version. r=dmajor

We need this to properly generate the WR bindings.

Also update the comment since the check was recently moved.

Differential Revision: https://phabricator.services.mozilla.com/D16398

build/moz.configure/bindgen.configure

@@ -14,7 +14,7 @@ cbindgen = check_prog('CBINDGEN', ['cbindgen'], paths=toolchain_search_path,
 @checking('cbindgen version')
 @imports(_from='textwrap', _import='dedent')
 def cbindgen_version(cbindgen):
-    cbindgen_min_version = Version('0.6.7')
+    cbindgen_min_version = Version('0.6.8')
 
     # cbindgen x.y.z
     version = Version(check_cmd_output(cbindgen, '--version').strip().split(" ")[1])

taskcluster/scripts/misc/build-cbindgen.sh

@@ -2,8 +2,8 @@
 set -x -e -v
 
 # If you update this, make sure to update the minimum version in
-# build/moz.configure/rust.configure as well.
-CBINDGEN_VERSION=v0.6.7
+# build/moz.configure/bindgen.configure as well.
+CBINDGEN_VERSION=v0.6.8
 TARGET="$1"
 
 case "$(uname -s)" in