tests/lib: Add space before single line comment termination

Change-Id: I9321391cc06afddff94fbba79f93851b553c74b1
Signed-off-by: Paul Menzel <pmenzel@molgen.mpg.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/62935
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Jakub Czapiga <jacz@semihalf.com>

tests/lib/imd-test.c

@@ -49,7 +49,7 @@ static void test_imd_handle_init(void **state)
 	struct imd imd;
 	uintptr_t test_inputs[] = {
 		0,		     /* Lowest possible address */
-		0xA000,		     /* Fits in 16 bits, should not get rounded down*/
+		0xA000,		     /* Fits in 16 bits, should not get rounded down */
 		0xDEAA,		     /* Fits in 16 bits */
 		0xB0B0B000,	     /* Fits in 32 bits, should not get rounded down */
 		0xF0F0F0F0,	     /* Fits in 32 bits */