third_party/fuchsia: Rename function.patch

Rename function.patch to pigweed_adaptations.patch since it affects more
than just the function sources.

Change-Id: I06c845927928f2cf32866b3dff567f096b3f9910
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/109715
Pigweed-Auto-Submit: Wyatt Hepler <hepler@google.com>
Reviewed-by: Ted Pudlik <tpudlik@google.com>
Commit-Queue: Auto-Submit <auto-submit@pigweed.google.com.iam.gserviceaccount.com>
diff --git a/third_party/fuchsia/copy.bara.sky b/third_party/fuchsia/copy.bara.sky
index 0e4e051..5d5414c 100644
--- a/third_party/fuchsia/copy.bara.sky
+++ b/third_party/fuchsia/copy.bara.sky
@@ -51,7 +51,8 @@
     authoring = authoring.pass_thru("Fuchsia Authors <noreply@google.com>"),
     transformations = [
         core.move("", "third_party/fuchsia/repo"),
-        patch.apply(["function.patch"]),
+        # Apply the patch file created by generate_fuchsia_patch.py.
+        patch.apply(["pigweed_adaptations.patch"]),
         # Show all commits but exclude the author to reduce line length.
         metadata.squash_notes(
             "third_party/fuchsia: Copybara import of the fit library\n\n",
diff --git a/third_party/fuchsia/generate_fuchsia_patch.py b/third_party/fuchsia/generate_fuchsia_patch.py
index 05f6f11..adbe3be 100755
--- a/third_party/fuchsia/generate_fuchsia_patch.py
+++ b/third_party/fuchsia/generate_fuchsia_patch.py
@@ -144,7 +144,8 @@
                 Path('third_party/fuchsia/repo', path).as_posix().encode())
 
     # Write the diff to function.patch.
-    with output_path.joinpath('function.patch').open('wb') as output:
+    with output_path.joinpath('pigweed_adaptations.patch').open(
+            'wb') as output:
         output.write(HEADER)
 
         for line in diff.splitlines(keepends=True):
diff --git a/third_party/fuchsia/function.patch b/third_party/fuchsia/pigweed_adaptations.patch
similarity index 100%
rename from third_party/fuchsia/function.patch
rename to third_party/fuchsia/pigweed_adaptations.patch