deskutils/sysctlview: Update to 1.5.2

Changelog:

• Update because the CTL_STSCTL constant was introduced in sys/sysctl.h
• add an error dialog if an OID has 23/24 levels and the sysctlinfo kmod is not loaded (avoiding a segmentation fault)

PR: 241086
Submitted by: Alfonso S. Siciliano (maintainer)