tools/gn: fix rebase_path example

tools/gn/function_rebase_path.cc

 // Copyright (c) 2013 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.
 
 #include "tools/gn/build_settings.h"
 #include "tools/gn/filesystem_utils.h"
 #include "tools/gn/functions.h"
 #include "tools/gn/parse_tree.h"
 #include "tools/gn/scope.h"
 #include "tools/gn/settings.h"
@@ skipping 165 matching lines @@
     "  # might produce \"../../project/myfile.txt\".\n"
     "\n"
     "  # Convert a file to be system absolute:\n"
     "  foo = rebase_path(\"myfile.txt\")\n"
     "  # Might produce \"D:\\source\\project\\myfile.txt\" on Windows or\n"
     "  # \"/home/you/source/project/myfile.txt\" on Linux.\n"
     "\n"
     "  # Typical usage for converting to the build directory for a script.\n"
     "  action(\"myscript\") {\n"
     "    # Don't convert sources, GN will automatically convert these to be\n"
-    "    # relative to the build directory when it contructs the command\n"
+    "    # relative to the build directory when it constructs the command\n"
     "    # line for your script.\n"
     "    sources = [ \"foo.txt\", \"bar.txt\" ]\n"
     "\n"
     "    # Extra file args passed manually need to be explicitly converted\n"
     "    # to be relative to the build directory:\n"
     "    args = [\n"
     "      \"--data\",\n"
     "      rebase_path(\"//mything/data/input.dat\", root_build_dir),\n"
     "      \"--rel\",\n"
     "      rebase_path(\"relative_path.txt\", root_build_dir)\n"
-    "    ] + sources\n"
+    "    ] + rebase_path(sources, root_build_dir)\n"
     "  }\n";
 
 Value RunRebasePath(Scope* scope,
                     const FunctionCallNode* function,
                     const std::vector<Value>& args,
                     Err* err) {
   Value result;
 
   // Argument indices.
   static const size_t kArgIndexInputs = 0;
@@ skipping 55 matching lines @@
     }
     return result;
   }
 
   *err = Err(function->function(),
              "rebase_path requires a list or a string.");
   return result;
 }
 
 }  // namespace functions