libXext 1.3.6

Alan Coopersmith (7):

• Wrap Xext*CheckExtension() in do { ... } while(0)
• configure: raise minimum autoconf requirement to 2.70
• configure: Use LT_INIT from libtool 2 instead of deprecated AC_PROG_LIBTOOL
• _xgeGetExtensionVersion should not free info on failure
• Check for malloc failure in _xgeGetExtensionVersion
• _xgeDpyClose: handle NULL return from _xgeFindDisplay
• libXext 1.3.6

Sam James (1):

• XEVI: fix -Walloc-size