LibCore: Add syscall wrapper for profiling_free_buffer()

Author: https://github.com/rvictorr
Commit: https://github.com/SerenityOS/serenity/commit/73303f0dc1
Pull-request: https://github.com/SerenityOS/serenity/pull/12469
Reviewed-by: https://github.com/ADKaster
Reviewed-by: https://github.com/AtkinsSJ

Userland/Libraries/LibCore/System.cpp

@@ -167,6 +167,12 @@ ErrorOr<void> profiling_disable(pid_t pid)
     int rc = ::profiling_disable(pid);
     HANDLE_SYSCALL_RETURN_VALUE("profiling_disable", rc, {});
 }
+
+ErrorOr<void> profiling_free_buffer(pid_t pid)
+{
+    int rc = ::profiling_free_buffer(pid);
+    HANDLE_SYSCALL_RETURN_VALUE("profiling_free_buffer", rc, {});
+}
 #endif
 
 #ifndef AK_OS_BSD_GENERIC

Userland/Libraries/LibCore/System.h

@@ -45,6 +45,7 @@ ErrorOr<long> ptrace(int request, pid_t tid, void* address, void* data);
 ErrorOr<void> disown(pid_t pid);
 ErrorOr<void> profiling_enable(pid_t, u64 event_mask);
 ErrorOr<void> profiling_disable(pid_t);
+ErrorOr<void> profiling_free_buffer(pid_t);
 #endif
 
 #ifndef AK_OS_BSD_GENERIC