git-sync-deps - handle symbolic links to directories

NOTRY=true
R=mtklein@google.com, borenet@google.com

Author: halcanary@google.com

Review URL: https://codereview.chromium.org/258053005

git-svn-id: http://skia.googlecode.com/svn/trunk@14396 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tools/git-sync-deps b/tools/git-sync-deps
index 8edc0c3..ee37e63 100755
--- a/tools/git-sync-deps
+++ b/tools/git-sync-deps
@@ -76,7 +76,7 @@
   try:
     toplevel = subprocess.check_output(
       [git, 'rev-parse', '--show-toplevel'], cwd=directory).strip()
-    return os.path.abspath(directory) == os.path.abspath(toplevel)
+    return os.path.realpath(directory) == os.path.realpath(toplevel)
   except subprocess.CalledProcessError:
     return False