src/lib: Add space before (

Fix the following error detected by checkpatch.pl:

ERROR: space required before the open parenthesis '('

TEST=Build and run on Galileo Gen2

Change-Id: I8953fecbe75136ff989c9e3cf6c5e155dcee3c3b
Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com>
Reviewed-on: https://review.coreboot.org/18698
Reviewed-by: Philippe Mathieu-Daudé <philippe.mathieu.daude@gmail.com>
Tested-by: build bot (Jenkins)
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>

src/lib/coreboot_table.c

@@ -394,7 +394,7 @@ static void lb_strings(struct lb_header *header)
 		{ LB_TAG_COMPILE_TIME,   coreboot_compile_time,   },
 	};
 	unsigned int i;
-	for(i = 0; i < ARRAY_SIZE(strings); i++) {
+	for (i = 0; i < ARRAY_SIZE(strings); i++) {
 		struct lb_string *rec;
 		size_t len;
 		rec = (struct lb_string *)lb_new_record(header);