sysutils/sysctlbyname-improved-kmod: fix after r366465

• the new sysctl object {0.7} "sysctl.nextnoskip" overlaps this interface
• add files/patch-sysctlinfo.h to change sysctl OIDs of sysctlinfo and the OID of this kmod

PR: 250149
Submitted by: Alfonso S. Siciliano <alfix86@gmail.com> (maintainer)