libbpf: Fix typo in comment

Spelling mistake (triple letters) in comment.
Detected with the help of Coccinelle.

Signed-off-by: Julia Lawall <[e-mail]>
Signed-off-by: Andrii Nakryiko <[e-mail]>
Acked-by: Daniel Müller <[e-mail]>
Link: https://lore.kernel.org/bpf/[e-mail]

tools/lib/bpf/libbpf.c

···
 	}
 
 retry_load:
-	/* if log_level is zero, we don't request logs initiallly even if
+	/* if log_level is zero, we don't request logs initially even if
 	 * custom log_buf is specified; if the program load fails, then we'll
 	 * bump log_level to 1 and use either custom log_buf or we'll allocate
 	 * our own and retry the load to get details on what failed