Get `gn gen` to succeed on Windows

third_party/sqlite/src/src/shell_icu_linux.c

+/* Copyright 2007 Google Inc. All Rights Reserved.
+**/
+
+#include <limits.h>
+#include <unistd.h>
+#include "unicode/putil.h"
+#include "unicode/udata.h"
+
+/*
+** This function attempts to load the ICU data tables from a data file.
+** Returns 0 on failure, nonzero on success.
+** This a hack job of icu_utils.cc:Initialize().  It's Chrome-specific code.
+*/
+int sqlite_shell_init_icu() {
+  char bin_dir[PATH_MAX + 1];
+  int bin_dir_size = readlink("/proc/self/exe", bin_dir, PATH_MAX);
+  if (bin_dir_size < 0 || bin_dir_size > PATH_MAX)
+    return 0;
+  bin_dir[bin_dir_size] = 0;;
+
+  u_setDataDirectory(bin_dir);
+  // Only look for the packaged data file;
+  // the default behavior is to look for individual files.
+  UErrorCode err = U_ZERO_ERROR;
+  udata_setFileAccess(UDATA_ONLY_PACKAGES, &err);
+  return err == U_ZERO_ERROR;
+}