Fix various spelling errors

cde/lib/DtSearch/dtsearch.msg

@@ -190,7 +190,7 @@ $ Msg 46 should not translate "delblanklines."
 53 "Error - delimiter defined as '%1$s' references a physical line in the record.\n\
    Since the delimiter defines the physical lines\n\
   it cannot be referenced as a physical line.\n"
-54 "Error - for field '%1$s', no line identifer matches '%2$s'.\n"
+54 "Error - for field '%1$s', no line identifier matches '%2$s'.\n"
 55 "Error - field include/exclude list included\n\
   the field '%1$s', which was never defined.\n"
 56 "Error - image include/exclude list included\n\

cde/lib/DtSearch/ocf.c

@@ -745,7 +745,7 @@ static int      add_a_keytype (char ktchar)
  * For example if how_many == 1, only 1 keytype will be added
  * and the balance of the line will be ignored.
  * We also quit adding keytypes when the total reaches
- * MAX_KTCOUNT or when we hit end of line or commments.
+ * MAX_KTCOUNT or when we hit end of line or comments.
  */
 static void     read_keytypes (int how_many, _Xstrtokparams *strtok_buf)
 {