Blame SOURCES/dump-restore-rmdir.patch

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diff -urNp old/restore/restore.c new/restore/restore.c
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--- old/restore/restore.c	2017-08-30 09:44:50.912572953 +0200
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+++ new/restore/restore.c	2017-08-30 09:45:48.770347062 +0200
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@@ -593,7 +593,7 @@ findunreflinks(void)
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 					if (np->e_type == LEAF) {
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 						removeleaf(np);
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 						freeentry(np);
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-					} else {
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+					} else if (np->e_ino != 0){
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 						np->e_flags |= TMPNAME;
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 						deleteino(np->e_ino);
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 						np->e_next = removelist;