GN: Fix up various gpu targets

tools/gn/secondary/third_party/libjpeg_turbo/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # Do not use the targets in this file unless you need a certain libjpeg
 # implementation. Use the meta target //third_party:jpeg instead.
 
 if (cpu_arch == "arm") {
   import("//build/config/arm.gni")
 }
@@ skipping 85 matching lines @@
     defines += [
       "MACHO",
     ]
     include_dirs = [ "mac" ]
   } else if (is_linux) {
     defines += [
       "ELF",
     ]
     include_dirs = [ "linux" ]
   }
-
 }
 
 }
 
 source_set("simd") {
   if (cpu_arch == "x86") {
     deps = [ ":simd_asm" ]
     sources = [
       "simd/jsimd_i386.c",
     ]
@@ skipping 91 matching lines @@
   # MSan builds for now.
   # TODO: Enable on Linux when .asm files are recognized.
   if (is_msan || is_linux) {
     sources += [ "jsimd_none.c" ]
   } else {
     deps = [ ":simd" ]
   }
 
   # TODO(GYP): Compile the .asm files with YASM as GYP does.
 }