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ext4_utils: fix build error without FILE_CONTEXTS
authorSungmin Choi <sungmin.choi@lge.com>
Mon, 25 Feb 2013 06:37:51 +0000 (15:37 +0900)
committerSungmin Choi <sungmin.choi@lge.com>
Mon, 25 Feb 2013 06:39:45 +0000 (15:39 +0900)
commit192238d9081d4ad8c090a77e8e1d40b66e8fae4a
tree67aa6600bdee35dbadbf36be635d5cc07b98a6e7
parent3130a32fd910f424a9d6b811ed23d9a552004c81
ext4_utils: fix build error without FILE_CONTEXTS

After commit 4df62f342dbbe2f5cca831ce789dc0426d32ec03,
occurs segmentation fault if mkuserimg.sh runs without FILE_CONTEXTS options.
It's due to strlen() for null value. To fix it, return 0 for null.

Change-Id: Icf99706e51b9053a24e23b9d081a258962877c30
ext4_utils/contents.c