Fix indent issue with engine.h

Reviewed-by: NTim Hudson <tjh@openssl.org>

crypto/engine/engine.h

@@ -125,7 +125,8 @@ extern "C" {
 #define ENGINE_TABLE_FLAG_NOINIT	(unsigned int)0x0001
 
 /* ENGINE flags that can be set by ENGINE_set_flags(). */
-/* #define ENGINE_FLAGS_MALLOCED	0x0001 */ /* Not used */
+/* Not used */
+/* #define ENGINE_FLAGS_MALLOCED	0x0001 */
 
 /* This flag is for ENGINEs that wish to handle the various 'CMD'-related
  * control commands on their own. Without this flag, ENGINE_ctrl() handles these