Bump langsvr to latest

Change-Id: I679b68295bc0a1453c91c1838e44bc9d42c447c3
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/188282
Auto-Submit: Gregg Tavares <gman@chromium.org>
Commit-Queue: Ben Clayton <bclayton@google.com>
Commit-Queue: Gregg Tavares <gman@chromium.org>
Reviewed-by: Ben Clayton <bclayton@google.com>
diff --git a/DEPS b/DEPS
index 01189d7..0236a58 100644
--- a/DEPS
+++ b/DEPS
@@ -385,7 +385,7 @@
   },
 
   'third_party/langsvr': {
-    'url': '{github_git}/google/langsvr.git@a79fcb7068cb9c75ad77df9abe16d726402477aa',
+    'url': '{github_git}/google/langsvr.git@919ceb4af9f19ceeca2f9ff292aadc2d4274add0',
     'condition': 'dawn_standalone',
   },
 
diff --git a/third_party/langsvr b/third_party/langsvr
index a79fcb7..919ceb4 160000
--- a/third_party/langsvr
+++ b/third_party/langsvr
@@ -1 +1 @@
-Subproject commit a79fcb7068cb9c75ad77df9abe16d726402477aa
+Subproject commit 919ceb4af9f19ceeca2f9ff292aadc2d4274add0