Disable building CursesDialog so that cmake-native doesn't have to
depend on ncurses-native.

Upstream-status: Inappropriate [disable feature]

Signed-off-by: Mike Crowe <mac@mcrowe.com>

--- cmake-2.8.12.2/bootstrap~	2014-01-16 17:15:09.000000000 +0000
+++ cmake-2.8.12.2/bootstrap	2014-04-01 21:27:23.841996822 +0100
@@ -1578,6 +1578,7 @@ export MAKE
 
 # Run bootstrap CMake to configure real CMake
 cmake_options="-DCMAKE_BOOTSTRAP=1"
+cmake_options="${cmake_options} -DBUILD_CursesDialog=0"
 if [ -n "${cmake_verbose}" ]; then
   cmake_options="${cmake_options} -DCMAKE_VERBOSE_MAKEFILE=1"
 fi