Don't use TEMP_FAILURE_RETRY with close in system/extras.

Bug: http://b/20501816
Change-Id: I32123049314a30a255fdf1a76a0e00bd35ac8801
(cherry picked from commit 454b989922c7fb8e1411d06ee26ad7c4e6bc2abe)
diff --git a/squashfs_utils/squashfs_utils.c b/squashfs_utils/squashfs_utils.c
index 128a3ef..6189189 100644
--- a/squashfs_utils/squashfs_utils.c
+++ b/squashfs_utils/squashfs_utils.c
@@ -58,6 +58,6 @@
         sb.bytes_used + (4096 - (sb.bytes_used & (4096 - 1)));
 
 cleanup:
-    TEMP_FAILURE_RETRY(close(data_device));
+    close(data_device);
     return ret;
 }