Fix C++ compiler warnings and silly quantifier size check.


git-svn-id: svn://vcs.exim.org/pcre/code/trunk@1472 2f5784b3-3f2a-0410-8824-cb99058d5e15
Tidy code by merging two identical branches.


git-svn-id: svn://vcs.exim.org/pcre/code/trunk@1473 2f5784b3-3f2a-0410-8824-cb99058d5e15