Update siso_version to dfc32e4edca158cff2b64a1658ee3940f0116b3a

Change-Id: I5bd21a1e8506d412ce112b5530b1fcfa439550ab
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/163093
Commit-Queue: Andy Phan <andyphan@chromium.org>
Auto-Submit: Lei Zhang <thestig@chromium.org>
Reviewed-by: Andy Phan <andyphan@chromium.org>
diff --git a/DEPS b/DEPS
index 55fde23..e51f320 100644
--- a/DEPS
+++ b/DEPS
@@ -240,7 +240,7 @@
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling siso
   # and whatever else without interference from each other.
-  'siso_version': 'git_revision:c574896b272b40aac6e44c228ee0b471ea7e3d7d',
+  'siso_version': 'git_revision:dfc32e4edca158cff2b64a1658ee3940f0116b3a',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling skia
   # and whatever else without interference from each other.