ncurses 5.9 - patch 20110702

ncurses 5.9 - patch 20110702

+ add workaround from xterm #271 changes to ensure that compiler flags
  are not used in the $CC variable.
+ improve support for shared libraries, tested with AIX 5.3, 6.1 and
  7.1 with both gcc 4.2.4 and cc.
+ modify configure checks for AIX to include release 7.x
+ add loader flags/libraries to libtool options so that dynamic loading
  works properly, adapted from ncurses-5.7-ldflags-with-libtool.patch
  at gentoo prefix repository (patch by Michael Haubenwallner).