Adding missing dependency from courgette to lzma_sdk

crc.cc in in courgette uses third_party/lzma_sdk/7zCrc.h so
it needs to depend on the build target that lists that file,
i.e. "//third_party/lzma_sdk".

Change-Id: I29f88fee06f1954bc3043eee5e78fbabeebaebee
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1505945
Auto-Submit: Daniel Bratell <bratell@opera.com>
Commit-Queue: Samuel Huang <huangs@chromium.org>
Reviewed-by: Samuel Huang <huangs@chromium.org>
Cr-Commit-Position: refs/heads/master@{#639603}
diff --git a/courgette/BUILD.gn b/courgette/BUILD.gn
index 5ce4ba3..63a00fa 100644
--- a/courgette/BUILD.gn
+++ b/courgette/BUILD.gn
@@ -81,6 +81,7 @@
   ]
   deps = [
     "//base",
+    "//third_party/lzma_sdk",
   ]
 }