Apply gn format with 'sources' sorting to src/

third_party/speex/BUILD.gn

Index: third_party/speex/BUILD.gn
diff --git a/third_party/speex/BUILD.gn b/third_party/speex/BUILD.gn
index 1b5dc9a3cdd021ec02ed808dbd129f30c84efd6b..02a7942938bd98c9cf82828cb3ff504d5cad9b70 100644
--- a/third_party/speex/BUILD.gn
+++ b/third_party/speex/BUILD.gn
@@ -8,6 +8,17 @@ config("speex_config") {
 
 source_set("speex") {
   sources = [
+    "include/speex/speex.h",
+    "include/speex/speex_bits.h",
+    "include/speex/speex_buffer.h",
+    "include/speex/speex_callbacks.h",
+    "include/speex/speex_echo.h",
+    "include/speex/speex_header.h",
+    "include/speex/speex_jitter.h",
+    "include/speex/speex_preprocess.h",
+    "include/speex/speex_resampler.h",
+    "include/speex/speex_stereo.h",
+    "include/speex/speex_types.h",
     "libspeex/arch.h",
     "libspeex/bits.c",
     "libspeex/cb_search.c",
@@ -54,17 +65,6 @@ source_set("speex") {
     "libspeex/vq.c",
     "libspeex/vq.h",
     "libspeex/window.c",
-    "include/speex/speex.h",
-    "include/speex/speex_bits.h",
-    "include/speex/speex_buffer.h",
-    "include/speex/speex_callbacks.h",
-    "include/speex/speex_echo.h",
-    "include/speex/speex_header.h",
-    "include/speex/speex_jitter.h",
-    "include/speex/speex_preprocess.h",
-    "include/speex/speex_resampler.h",
-    "include/speex/speex_stereo.h",
-    "include/speex/speex_types.h",
   ]
 
   configs -= [ "//build/config/compiler:chromium_code" ]