base-files: fix typo in core dump pattern sysctl entry (fixes #20489)

Signed-off-by: Felix Fietkau <[email protected]>

SVN-Revision: 46890

package/base-files/files/etc/sysctl.conf

@@ -1,5 +1,5 @@
 kernel.panic=3
-kernel.core.pattern=/tmp/%e.%t.%p.%s.core
+kernel.core_pattern=/tmp/%e.%t.%p.%s.core
 
 net.ipv4.conf.default.arp_ignore=1
 net.ipv4.conf.all.arp_ignore=1