crypto: asymmetric_keys - remove always false comparison

hour, min and sec are unsigned int and they can never be less than zero.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/crypto/asymmetric_keys/x509_cert_parser.c b/crypto/asymmetric_keys/x509_cert_parser.c
index af71878..3000ea3 100644
--- a/crypto/asymmetric_keys/x509_cert_parser.c
+++ b/crypto/asymmetric_keys/x509_cert_parser.c
@@ -546,9 +546,9 @@
 	if (year < 1970 ||
 	    mon < 1 || mon > 12 ||
 	    day < 1 || day > mon_len ||
-	    hour < 0 || hour > 23 ||
-	    min < 0 || min > 59 ||
-	    sec < 0 || sec > 59)
+	    hour > 23 ||
+	    min > 59 ||
+	    sec > 59)
 		goto invalid_time;
 	
 	*_t = mktime64(year, mon, day, hour, min, sec);