Apply gn format with 'sources' sorting to src/

third_party/elfutils/BUILD.gn

Index: third_party/elfutils/BUILD.gn
diff --git a/third_party/elfutils/BUILD.gn b/third_party/elfutils/BUILD.gn
index fca98aba665a7e500f4f11eee83f36159f2e97a6..899bb5fe402a222c1b0e9d1d6629b674a98ce38c 100644
--- a/third_party/elfutils/BUILD.gn
+++ b/third_party/elfutils/BUILD.gn
@@ -12,17 +12,8 @@ source_set("libelf") {
     "src/libelf/abstract.h",
     "src/libelf/common.h",
     "src/libelf/dl-hash.h",
-    "src/libelf/elf.h",
     "src/libelf/elf-knowledge.h",
-    "src/libelf/exttypes.h",
-    "src/libelf/gelf.h",
-    "src/libelf/gelf_xlate.h",
-    "src/libelf/gnuhash_xlate.h",
-    "src/libelf/libelf.h",
-    "src/libelf/libelfP.h",
-    "src/libelf/nlist.h",
-    "src/libelf/note_xlate.h",
-    "src/libelf/version_xlate.h",
+    "src/libelf/elf.h",
     "src/libelf/elf32_checksum.c",
     "src/libelf/elf32_fsize.c",
     "src/libelf/elf32_getehdr.c",
@@ -87,6 +78,8 @@ source_set("libelf") {
     "src/libelf/elf_strptr.c",
     "src/libelf/elf_update.c",
     "src/libelf/elf_version.c",
+    "src/libelf/exttypes.h",
+    "src/libelf/gelf.h",
     "src/libelf/gelf_checksum.c",
     "src/libelf/gelf_fsize.c",
     "src/libelf/gelf_getauxv.c",
@@ -97,8 +90,8 @@ source_set("libelf") {
     "src/libelf/gelf_getmove.c",
     "src/libelf/gelf_getnote.c",
     "src/libelf/gelf_getphdr.c",
-    "src/libelf/gelf_getrela.c",
     "src/libelf/gelf_getrel.c",
+    "src/libelf/gelf_getrela.c",
     "src/libelf/gelf_getshdr.c",
     "src/libelf/gelf_getsym.c",
     "src/libelf/gelf_getsyminfo.c",
@@ -117,8 +110,8 @@ source_set("libelf") {
     "src/libelf/gelf_update_lib.c",
     "src/libelf/gelf_update_move.c",
     "src/libelf/gelf_update_phdr.c",
-    "src/libelf/gelf_update_rela.c",
     "src/libelf/gelf_update_rel.c",
+    "src/libelf/gelf_update_rela.c",
     "src/libelf/gelf_update_shdr.c",
     "src/libelf/gelf_update_sym.c",
     "src/libelf/gelf_update_syminfo.c",
@@ -129,11 +122,18 @@ source_set("libelf") {
     "src/libelf/gelf_update_verneed.c",
     "src/libelf/gelf_update_versym.c",
     "src/libelf/gelf_xlate.c",
+    "src/libelf/gelf_xlate.h",
     "src/libelf/gelf_xlatetof.c",
     "src/libelf/gelf_xlatetom.c",
+    "src/libelf/gnuhash_xlate.h",
+    "src/libelf/libelf.h",
+    "src/libelf/libelfP.h",
     "src/libelf/libelf_crc32.c",
     "src/libelf/libelf_next_prime.c",
     "src/libelf/nlist.c",
+    "src/libelf/nlist.h",
+    "src/libelf/note_xlate.h",
+    "src/libelf/version_xlate.h",
   ]
 
   include_dirs = [