Fix typo in BUILD.gn at f040890.

BUILD.gn

 # Copyright 2016 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.
 
 import("//build_overrides/v8.gni")
 import("//testing/test.gni")
 import("pdfium.gni")
 
 config("pdfium_config") {
   cflags = []
@@ skipping 333 matching lines @@
     "core/src/fpdfapi/fpdf_page/fpdf_page_graph_state.cpp",
     "core/src/fpdfapi/fpdf_page/fpdf_page_image.cpp",
     "core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp",
     "core/src/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp",
     "core/src/fpdfapi/fpdf_page/fpdf_page_path.cpp",
     "core/src/fpdfapi/fpdf_page/fpdf_page_pattern.cpp",
     "core/src/fpdfapi/fpdf_page/pageint.h",
     "core/src/fpdfapi/fpdf_parser/cfdf_document.cpp",
     "core/src/fpdfapi/fpdf_parser/cpdf_array.cpp",
     "core/src/fpdfapi/fpdf_parser/cpdf_boolean.cpp",
+    "core/src/fpdfapi/fpdf_parser/cpdf_data_avail.cpp",
+    "core/src/fpdfapi/fpdf_parser/cpdf_data_avail.h",
     "core/src/fpdfapi/fpdf_parser/cpdf_dictionary.cpp",
     "core/src/fpdfapi/fpdf_parser/cpdf_document.cpp",
     "core/src/fpdfapi/fpdf_parser/cpdf_hint_tables.cpp",
     "core/src/fpdfapi/fpdf_parser/cpdf_hint_tables.h",
     "core/src/fpdfapi/fpdf_parser/cpdf_indirect_object_holder.cpp",
     "core/src/fpdfapi/fpdf_parser/cpdf_name.cpp",
     "core/src/fpdfapi/fpdf_parser/cpdf_null.cpp",
     "core/src/fpdfapi/fpdf_parser/cpdf_number.cpp",
     "core/src/fpdfapi/fpdf_parser/cpdf_object.cpp",
     "core/src/fpdfapi/fpdf_parser/cpdf_parser.cpp",
     "core/src/fpdfapi/fpdf_parser/cpdf_reference.cpp",
     "core/src/fpdfapi/fpdf_parser/cpdf_simple_parser.cpp",
     "core/src/fpdfapi/fpdf_parser/cpdf_standard_crypto_handler.cpp",
     "core/src/fpdfapi/fpdf_parser/cpdf_standard_crypto_handler.h",
     "core/src/fpdfapi/fpdf_parser/cpdf_standard_security_handler.cpp",
     "core/src/fpdfapi/fpdf_parser/cpdf_standard_security_handler.h",
     "core/src/fpdfapi/fpdf_parser/cpdf_stream.cpp",
     "core/src/fpdfapi/fpdf_parser/cpdf_string.cpp",
     "core/src/fpdfapi/fpdf_parser/cpdf_syntax_parser.cpp",
     "core/src/fpdfapi/fpdf_parser/cpdf_syntax_parser.h",
-    "core/src/fpdfapi/fpdf_parser/fpdf_data_avail.cpp",
-    "core/src/fpdfapi/fpdf_parser/fpdf_data_avail.h",
     "core/src/fpdfapi/fpdf_parser/fpdf_parser_decode.cpp",
     "core/src/fpdfapi/fpdf_parser/fpdf_parser_utility.cpp",
     "core/src/fpdfapi/fpdf_parser/fpdf_parser_utility.h",
     "core/src/fpdfapi/fpdf_render/fpdf_render.cpp",
     "core/src/fpdfapi/fpdf_render/fpdf_render_cache.cpp",
     "core/src/fpdfapi/fpdf_render/fpdf_render_image.cpp",
     "core/src/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp",
     "core/src/fpdfapi/fpdf_render/fpdf_render_pattern.cpp",
     "core/src/fpdfapi/fpdf_render/fpdf_render_text.cpp",
     "core/src/fpdfapi/fpdf_render/render_int.h",
@@ skipping 1137 matching lines @@
       "//v8:v8_libplatform",
     ]
     include_dirs += [
       "//v8",
       "//v8/include",
     ]
     configs += [ "//v8:external_startup_data" ]
   }
   configs += [ ":pdfium_config" ]
 }