Fix "No such file or directory" error in sysroot_ld_path.sh if ld.so.conf include pattern doesn't m…

build/linux/sysroot_ld_path.sh

 #!/bin/sh
 # 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.
 
 # Reads etc/ld.so.conf and/or etc/ld.so.conf.d/*.conf and returns the
 # appropriate linker flags.
 #
 #  sysroot_ld_path.sh /abspath/to/sysroot
 #
@@ skipping 28 matching lines @@
 
   # ld.so.conf may include relative include paths. pushd is a bashism.
   local saved_pwd=$(pwd)
   cd $(dirname "$ld_so_conf")
 
   cat "$ld_so_conf" | \
     while read ENTRY; do
       echo "$ENTRY" | grep -qs ^include
       if [ $? -eq 0 ]; then
         local included_files=$(echo "$ENTRY" | sed 's/^include //')
-        for inc_file in $included_files; do
-          echo $inc_file | grep -qs ^/
-          if [ $? -eq 0 ]; then
-            process_ld_so_conf "$root" "$root$inc_file"
-          else
-            process_ld_so_conf "$root" "$(pwd)/$inc_file"
-          fi
-        done
+        if ls $included_files >/dev/null 2>&1 ; then
+          for inc_file in $included_files; do
+            echo $inc_file | grep -qs ^/
+            if [ $? -eq 0 ]; then
+              process_ld_so_conf "$root" "$root$inc_file"
+            else
+              process_ld_so_conf "$root" "$(pwd)/$inc_file"
+            fi
+          done
+        fi
         continue
       fi
 
       echo "$ENTRY" | grep -qs ^/
       if [ $? -eq 0 ]; then
         process_entry "$root" "$ENTRY"
       fi
     done
 
   # popd is a bashism
@@ skipping 18 matching lines @@
 if [ -e "$LD_SO_CONF" ]; then
   process_ld_so_conf "$1" "$LD_SO_CONF" | xargs echo
 elif [ -e "$LD_SO_CONF_D" ]; then
   find "$LD_SO_CONF_D" -maxdepth 1 -name '*.conf' -print -quit > /dev/null
   if [ $? -eq 0 ]; then
     for entry in $LD_SO_CONF_D/*.conf; do
       process_ld_so_conf "$1" "$entry"
     done | xargs echo
   fi
 fi