Fix typo

Change-Id: Ic5845cff3e6e708ce88670f3d6038e339a94f33e
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/17660
Reviewed-by: dan sinclair <dsinclair@google.com>

src/reader/spirv/enum_converter.h

@@ -39,7 +39,7 @@ class EnumConverter {
   ast::PipelineStage ToPipelineStage(SpvExecutionModel model);
 
  private:
-  /// Registers a failure and returns a stream for logg diagnostics.
+  /// Registers a failure and returns a stream for log diagnostics.
   /// @returns a failure stream
   FailStream Fail() { return fail_stream_.Fail(); }