Format BUCK files with buildifier
diff --git a/BUCK b/BUCK
index da6fcb2..86174e9 100644
--- a/BUCK
+++ b/BUCK
@@ -25,19 +25,19 @@
 cxx_library(
     name = "core",
     srcs = ["src/cxx.cc"],
-    visibility = ["PUBLIC"],
-    header_namespace = "rust",
     exported_headers = {
         "cxx.h": "include/cxx.h",
     },
     exported_linker_flags = ["-lstdc++"],
+    header_namespace = "rust",
+    visibility = ["PUBLIC"],
 )
 
 rust_library(
     name = "macro",
     srcs = glob(["macro/src/**"]),
-    proc_macro = True,
     crate = "cxxbridge_macro",
+    proc_macro = True,
     deps = [
         "//third-party:proc-macro2",
         "//third-party:quote",
diff --git a/third-party/BUCK b/third-party/BUCK
index f58e963..e96c336 100644
--- a/third-party/BUCK
+++ b/third-party/BUCK
@@ -42,7 +42,6 @@
 rust_library(
     name = "proc-macro2",
     srcs = glob(["vendor/proc-macro2-1.0.28/src/**"]),
-    visibility = ["PUBLIC"],
     features = [
         "proc-macro",
         "span-locations",
@@ -52,14 +51,15 @@
         "--cfg=use_proc_macro",
         "--cfg=wrap_proc_macro",
     ],
+    visibility = ["PUBLIC"],
     deps = [":unicode-xid"],
 )
 
 rust_library(
     name = "quote",
     srcs = glob(["vendor/quote-1.0.9/src/**"]),
-    visibility = ["PUBLIC"],
     features = ["proc-macro"],
+    visibility = ["PUBLIC"],
     deps = [":proc-macro2"],
 )
 
@@ -73,7 +73,6 @@
 rust_library(
     name = "syn",
     srcs = glob(["vendor/syn-1.0.74/src/**"]),
-    visibility = ["PUBLIC"],
     features = [
         "clone-impls",
         "derive",
@@ -82,6 +81,7 @@
         "printing",
         "proc-macro",
     ],
+    visibility = ["PUBLIC"],
     deps = [
         ":proc-macro2",
         ":quote",