* dyninst: patch to build dyninst with older gcc
Add 'v9.3.2-auto.patch'. This patch changes some 'auto t: type' usage
to the older but equivalent 'type.begin()'. This allows building
dyninst 9.3.2 with gcc 4.4 which doesn't support the newer syntax.
This patch is harmless with newer gcc.
* Fix typo in patch. (My bad for sloppy cut-and-paste.)
* Restrict the patch to gcc 4.7 and earlier. gcc 4.8 supports the newer
usage and thus doesn't need the patch.