Fix "readlink" run on paths that contain spaces.

Author: rogerluan

lib/cocoapods-binary-cache/pod-binary/integration/patch/embed_framework_script.rb

@@ -17,7 +17,7 @@ class EmbedFrameworksScript
           # If the path isn't an absolute path, we add a realtive prefix.
           old_read_link=`which readlink`
           readlink () {
-            path=`$old_read_link $1`;
+            path=`$old_read_link "$1"`;
             if [ $(echo "$path" | cut -c 1-1) = '/' ]; then
               echo $path;
             else