Reword comment

Author: recrsn

src/bcrypt.cc

@@ -217,9 +217,7 @@ bcrypt(const char *key, size_t key_len, const char *salt, char *encrypted)
 		key_len = (u_int8_t)(key_len + (minor >= 'a' ? 1 : 0));
 	else
 	{
-		/* size_t, but the function calls
-		* below result in implicit casts to a narrower integer
-		* type, so cap key_len at the actual maximum supported
+		/* cap key_len at the actual maximum supported
 		* length here to avoid integer wraparound */
 		if (key_len > 72)
 			key_len = 72;