Add "FIXME" comment, and adjust the indentation.

crypto/asn1/a_utctm.c

@@ -291,5 +291,10 @@ time_t ASN1_UTCTIME_get(const ASN1_UTCTIME *s)
 		}
 #undef g2
 
-    return timegm(&tm)-offset*60;
+	return timegm(&tm)-offset*60; /* FIXME: timegm is non-standard,
+	                               * typically we only have mktime (which
+	                               * interprets the struct tm according to
+								   * the current time zone setting).
+								   * Also time_t is inappropriate for general
+	                               * UTC times because it may a 32 bit type. */
 	}