issue 16: * fixed common/protect-dstack.c to not use push/pop in inline asm which was   causing failures with newer gcc * updated common/protect-dstack.c for 64-bit
issue 16:
* fixed common/protect-dstack.c to not use push/pop in inline asm which was
  causing failures with newer gcc
* updated common/protect-dstack.c for 64-bit



git-svn-id: ed337ca7cdb08c0ba29d8fe58632bb7686892c2d@275 49cc7528-f6fd-11dd-9d1a-b59b2e1864b6

rnk/dynamorio,rnk/dynamorio,rnk/dynamorio,rnk/dynamorio,rnk/dynamorio