scanf1/big-endian was fixed in 73fadb3

tautschnig · jezhiggins · commit 4b147a6ffe47 · 2021-02-03T14:54:48.000Z
Mark it as CORE instead of KNOWNBUG.
diff --git a/regression/cbmc/scanf1/big-endian.desc b/regression/cbmc/scanf1/big-endian.desc
@@ -1,4 +1,4 @@
-KNOWNBUG
+CORE
 main.i
 --big-endian
 ^EXIT=10$
