4.4 does not compile in HPUX

[DFolchA]

Wazuh version	Component	Install type	Install method	Platform
4.4.0	Wazuh component	Agent	Sources	HPUX

We have found that the 4.4 branch does not compile properly in HPUX.

When we try to run a source installation in HPUX systems we obtain the following messages:

13:08:00      CC client-agent/notify.o
13:08:00  <command-line>: warning: ISO C99 requires whitespace after the macro name
13:08:00  In file included from ./headers/enrollment_op.h:26,
13:08:00                   from ./headers/shared.h:302,
13:08:00                   from client-agent/notify.c:11:
13:08:00  ./headers/sec.h:57: error: expected specifier-qualifier-list before ‘_Atomic’
13:08:00  gmake[1]: *** [Makefile:1810: client-agent/notify.o] Error 1
13:08:00  gmake: *** [Makefile:754: agent] Error 2
13:08:00  grep: can't open /etc/os-release
13:08:00  install: cannot stat 'wazuh-logcollector': No such file or directory
13:08:00  install: cannot stat 'wazuh-syscheckd': No such file or directory
13:08:00  install: cannot stat 'wazuh-execd': No such file or directory
13:08:00  install: cannot stat 'manage_agents': No such file or directory
13:08:00  install: cannot stat 'wazuh-modulesd': No such file or directory
13:08:00  cp: cannot access default-firewall-drop: No such file or directory
13:08:00  install: cannot stat 'firewall-drop': No such file or directory
13:08:00  install: cannot stat 'default-firewall-drop': No such file or directory
13:08:00  install: cannot stat 'pf': No such file or directory
13:08:00  install: cannot stat 'npf': No such file or directory
13:08:00  install: cannot stat 'ipfw': No such file or directory
13:08:00  install: cannot stat 'firewalld-drop': No such file or directory
13:08:00  install: cannot stat 'disable-account': No such file or directory
13:08:00  install: cannot stat 'host-deny': No such file or directory
13:08:00  install: cannot stat 'ip-customblock': No such file or directory
13:08:00  install: cannot stat 'restart-wazuh': No such file or directory
13:08:00  install: cannot stat 'route-null': No such file or directory
13:08:00  install: cannot stat 'kaspersky': No such file or directory
13:08:00  install: cannot stat 'wazuh-slack': No such file or directory
13:08:00  install: cannot stat 'wazuh-agentd': No such file or directory
13:08:00  install: cannot stat 'agent-auth': No such file or directory

[vikman90]

This issue seems to be a regression by #14981.