kallsyms: replace sizeof with ARRAY_SIZE

Suggested-by: Konstantin Shelekhin <k.shelekhin@yadro.com>
Link: https://lore.kernel.org/lkml/Yu2cYShT1h8gquW8@yadro.com/
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>

Author: ojeda

scripts/kallsyms.c

@@ -216,7 +216,7 @@ static struct sym_entry *read_symbol(FILE *in)
 
 	rc = fscanf(in, "%llx %c %" _stringify(KSYM_NAME_LEN_BUFFER) "s\n", &addr, &type, name);
 	if (rc != 3) {
-		if (rc != EOF && fgets(name, sizeof(name), in) == NULL)
+		if (rc != EOF && fgets(name, ARRAY_SIZE(name), in) == NULL)
 			fprintf(stderr, "Read error or end of file.\n");
 		return NULL;
 	}