Disable bogus code for finding and linking against ncurses.

For some very old reason lost in the dawn of time, HHVM imported the
CMake file of Readline from KDE, which had an ncurses dependency. Remove it
from everywhere.

Sync with Debian patch 08_disable_libncurses.patch from 2.4.1-1.

Author: Jo-Con-El

CMake/FindNcurses.cmake

@@ -3,9 +3,9 @@
 # --> BSD licensed
 #
 # GNU Readline library finder
-if(READLINE_INCLUDE_DIR AND READLINE_LIBRARY AND NCURSES_LIBRARY)
+if(READLINE_INCLUDE_DIR AND READLINE_LIBRARY)
   set(READLINE_FOUND TRUE)
-else(READLINE_INCLUDE_DIR AND READLINE_LIBRARY AND NCURSES_LIBRARY)
+else(READLINE_INCLUDE_DIR AND READLINE_LIBRARY)
   FIND_PATH(READLINE_INCLUDE_DIR readline/readline.h
     /usr/include/readline
   )
@@ -26,4 +26,4 @@ else(READLINE_INCLUDE_DIR AND READLINE_LIBRARY AND NCURSES_LIBRARY)
         FIND_PACKAGE_HANDLE_STANDARD_ARGS(Readline DEFAULT_MSG READLINE_INCLUDE_DIR READLINE_LIBRARY )
 
   MARK_AS_ADVANCED(READLINE_INCLUDE_DIR READLINE_LIBRARY)
-endif(READLINE_INCLUDE_DIR AND READLINE_LIBRARY AND NCURSES_LIBRARY)
+endif(READLINE_INCLUDE_DIR AND READLINE_LIBRARY)

CMake/FindReadline.cmake

@@ -295,11 +295,6 @@ include_directories(${ONIGURUMA_INCLUDE_DIRS})
 find_package(Ldap REQUIRED)
 include_directories(${LDAP_INCLUDE_DIR})
 
-# ncurses, readline and history
-#set(CURSES_NEED_NCURSES true)
-find_package(Ncurses REQUIRED)
-include_directories(${NCURSES_INCLUDE_PATH})
-
 # libpthreads
 find_package(PThread REQUIRED)
 include_directories(${LIBPTHREAD_INCLUDE_DIRS})
@@ -532,7 +527,6 @@ endif()
 		target_link_libraries(${target} ${EDITLINE_LIBRARIES})
 	endif()
 
-	target_link_libraries(${target} ${NCURSES_LIBRARY})
 	target_link_libraries(${target} ${CCLIENT_LIBRARY})
 
 	if (PAM_LIBRARY)