Update langsvr to latest:303c526231a90049a3e384549720f3fbd453cf66

Change-Id: I6fe96671044a4af08ed91843c2f9f4c91384f7c6
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/188681
Auto-Submit: Gregg Tavares <gman@chromium.org>
Commit-Queue: Gregg Tavares <gman@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
diff --git a/DEPS b/DEPS
index 15119dc..dcb37fb 100644
--- a/DEPS
+++ b/DEPS
@@ -385,7 +385,7 @@
   },
 
   'third_party/langsvr': {
-    'url': '{github_git}/google/langsvr.git@919ceb4af9f19ceeca2f9ff292aadc2d4274add0',
+    'url': '{github_git}/google/langsvr.git@303c526231a90049a3e384549720f3fbd453cf66',
     'condition': 'dawn_standalone',
   },
 
diff --git a/third_party/langsvr b/third_party/langsvr
index 919ceb4..303c526 160000
--- a/third_party/langsvr
+++ b/third_party/langsvr
@@ -1 +1 @@
-Subproject commit 919ceb4af9f19ceeca2f9ff292aadc2d4274add0
+Subproject commit 303c526231a90049a3e384549720f3fbd453cf66