No changes needed: All headers already use #pragma once

[Copilot]

All 8 header files in the repository already use #pragma once instead of traditional include guards.

Verified files:

• include/ulog/ulog.h
• extensions/ulog_lock_pthread.h
• extensions/ulog_lock_freertos.h
• extensions/ulog_lock_cmsis.h
• extensions/ulog_lock_threadx.h
• extensions/ulog_syslog.h
• extensions/ulog_microlog6.h
• extensions/ulog_generic_interface.h

No traditional #ifndef/#define/#endif guards found anywhere in the codebase.

Original prompt

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This section details on the original issue you should resolve

<issue_title>Use #pragma once in header files</issue_title>
<issue_description></issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Use #pragma once in header files #1

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