Memory Leaks in pam.cpp/pam.h

[sys41x4]

The code in the pam.cpp and pam.h files is causing memory leaks, resulting in a continuous increase in memory consumption over time. The leaks amount to 8,192 bytes in 2 blocks. This issue needs to be addressed to ensure proper memory management and prevent potential memory-related problems.

Tested with :

1. htop
2. gdb
3. r2
4. valgrind
5. g++/ASan