Fix caseless "not" bug for wide character in DFA matching when UCP no…

…t defined.

git-svn-id: svn:https://vcs.exim.org/pcre/code/trunk@1714 2f5784b3-3f2a-0410-8824-cb99058d5e15

ChangeLog

@@ -16,6 +16,11 @@ processing files with the -r option, and also (some very odd code) truncating
 path names to 512 characters. There is now a check on the absolute length of
 full path file names, which may be up to 2047 characters long.
 
+4. Using pcre_dfa_exec(), in UTF mode when UCP support was not defined, there
+was the possibility of a false positive match when caselessly matching a "not
+this character" item such as [^\x{1234}] (with a code point greater than 127)
+because the "other case" variable was not being initialized.
+
 
 Version 8.41 05-July-2017
 -------------------------

pcre_dfa_exec.c

@@ -2287,12 +2287,14 @@ for (;;)
  case OP_NOTI:
  if (clen > 0)
  {
- unsigned int otherd;
+ pcre_uint32 otherd;
 #ifdef SUPPORT_UTF
  if (utf && d >= 128)
  {
 #ifdef SUPPORT_UCP
  otherd = UCD_OTHERCASE(d);
+#else
+ otherd = d;
 #endif /* SUPPORT_UCP */
  }
  else