avg 4abc4c484d g_label: fix possible NULL pointer dereference ...

in case glabel debug level is >= 1 and gp->provider list is empty
for some reason

Found by:	clang static analyzer
MFC after:	4 days

2010-05-31 09:10:39 +00:00

..

g_label_ext2fs.c

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g_label_gpt.c

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g_label_iso9660.c

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g_label_msdosfs.c

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g_label_msdosfs.h

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g_label_ntfs.c

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g_label_reiserfs.c

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g_label_ufs.c

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g_label.c

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g_label.h

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