Update h2 to v0.1.19

Includes a couple HPACK fixes

Signed-off-by: Sean McArthur <sean@buoyant.io>

Cargo.lock

@@ -312,7 +312,7 @@ dependencies = [
 
 [[package]]
 name = "h2"
-version = "0.1.18"
+version = "0.1.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -387,7 +387,7 @@ dependencies = [
  "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-cpupool 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "h2 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)",
+ "h2 0.1.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "http 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "httparse 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -527,7 +527,7 @@ dependencies = [
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-mpsc-lossy 0.1.0",
  "futures-watch 0.1.0 (git+https://github.com/carllerche/better-future)",
- "h2 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)",
+ "h2 0.1.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "http 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "http-body 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "httparse 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -581,7 +581,7 @@ source = "git+https://github.com/linkerd/linkerd2-proxy-api?tag=v0.1.8#5fecc62ee
 dependencies = [
  "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
- "h2 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)",
+ "h2 0.1.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "http 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "prost 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "prost-types 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1529,7 +1529,7 @@ dependencies = [
  "base64 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
- "h2 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)",
+ "h2 0.1.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "http 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "percent-encoding 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1912,7 +1912,7 @@ dependencies = [
 "checksum futures-cpupool 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "ab90cde24b3319636588d0c35fe03b1333857621051837ed769faefb4c2162e4"
 "checksum futures-watch 0.1.0 (git+https://github.com/carllerche/better-future)" = "<none>"
 "checksum gzip-header 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "0a9fcfe1c9ee125342355b2467bc29b9dfcb2124fcae27edb9cee6f4cc5ecd40"
-"checksum h2 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)" = "85ab6286db06040ddefb71641b50017c06874614001a134b423783e2db2920bd"
+"checksum h2 0.1.19 (registry+https://github.com/rust-lang/crates.io-index)" = "6f00a79f51d83b2dcc1aef4199968908e00132c2cfeb0a309c3067cda49e2602"
 "checksum heck 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ea04fa3ead4e05e51a7c806fc07271fdbde4e246a6c6d1efd52e72230b771b82"
 "checksum hostname 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "58fab6e177434b0bb4cd344a4dabaa5bd6d7a8d792b1885aebcae7af1091d1cb"
 "checksum http 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)" = "fe67e3678f2827030e89cc4b9e7ecd16d52f132c0b940ab5005f88e821500f6a"