kspell CMakeLists.txt bad

This patch allows kdelibs to be built

--- doc/CMakeLists.txt~    2011-04-17 13:57:31.000000000 +0000
+++ doc/CMakeLists.txt    2011-04-20 22:17:58.290025445 +0000
@@ -10,4 +10,4 @@
  #################################################

  add_subdirectory( common )
-add_subdirectory( kspell )
+#add_subdirectory( kspell )