Fixed rule 'O' (RULE_OP_MANGLE_OMIT) in host mode in case the offset + length parameter equals the length of the input word

Fixes https://github.com/hashcat/hashcat/issues/969

docs/changes.txt

@@ -25,6 +25,7 @@
 - Fixed truncation of password after position 32 with the combinator attack
 - Fixed DEScrypt cracking in BF mode in case the hashlist contains more than 16 times the same salt
 - Fixed use of option --keyspace in combination with -m 2500 (WPA)
+- Fixed rule 'O' (RULE_OP_MANGLE_OMIT) in host mode in case the offset + length parameter equals the length of the input word
 
 * changes v3.20 -> v3.30:
 

src/rp_cpu.c

@@ -199,7 +199,7 @@ static int mangle_omit (char arr[BLOCK_SIZE], int arr_len, int upos, int ulen)
 {
   if (upos >= arr_len) return (arr_len);
 
-  if ((upos + ulen) >= arr_len) return (arr_len);
+  if ((upos + ulen) > arr_len) return (arr_len);
 
   int arr_pos;