[PCRE] - if any named group isn't present in regex, named groups as numbers were added - fix
[PCRE] - if any named group isn't present in regex, named groups as numbers were added - fix

git-tfs-id: [http://falcon:8080/tfs/Projects]$/Phalanger/Main;C2005

kendallb/Phalanger,DEVSENSE/Phalanger,kendallb/Phalanger,DEVSENSE/Phalanger,kendallb/Phalanger,diddledan/Phalanger,DEVSENSE/Phalanger,kendallb/Phalanger,diddledan/Phalanger,diddledan/Phalanger,DEVSENSE/Phalanger,diddledan/Phalanger,kendallb/Phalanger,diddledan/Phalanger,kendallb/Phalanger,DEVSENSE/Phalanger,DEVSENSE/Phalanger