Install headers needed by Kopete's cryptography plugin.

Patch borrowed from Fedora.

diff --git a/libkleo/CMakeLists.txt b/libkleo/CMakeLists.txt
index 84e660f..bfb92f8 100644
--- a/libkleo/CMakeLists.txt
+++ b/libkleo/CMakeLists.txt
@@ -124,3 +124,61 @@ install ( FILES libkleopatrarc-win32.desktop DESTINATION ${CONFIG_INSTALL_DIR} R
 else ()
 install ( FILES libkleopatrarc.desktop DESTINATION ${CONFIG_INSTALL_DIR} RENAME libkleopatrarc )
 endif ()
+
+install( FILES
+    kleo/kleo_export.h
+    kleo/enum.h
+    kleo/oidmap.h
+    kleo/cryptobackend.h
+    kleo/cryptobackendfactory.h
+    kleo/cryptoconfig.h
+    kleo/dn.h
+    kleo/job.h
+    kleo/keylistjob.h
+    kleo/keygenerationjob.h
+    kleo/abstractimportjob.h
+    kleo/importjob.h
+    kleo/importfromkeyserverjob.h
+    kleo/exportjob.h
+    kleo/changeexpiryjob.h
+    kleo/changeownertrustjob.h
+    kleo/downloadjob.h
+    kleo/deletejob.h
+    kleo/encryptjob.h
+    kleo/decryptjob.h
+    kleo/signjob.h
+    kleo/specialjob.h
+    kleo/verifydetachedjob.h
+    kleo/verifyopaquejob.h
+    kleo/decryptverifyjob.h
+    kleo/signencryptjob.h
+    kleo/signkeyjob.h
+    kleo/adduseridjob.h
+    kleo/refreshkeysjob.h
+    kleo/multideletejob.h
+    kleo/hierarchicalkeylistjob.h
+    kleo/keyfilter.h
+    kleo/keyfiltermanager.h
+    kleo/changepasswdjob.h
+    kleo/checksumdefinition.h
+    kleo/exception.h
+    kleo/kconfigbasedkeyfilter.h
+    kleo/listallkeysjob.h
+    kleo/stl_util.h
+    DESTINATION ${INCLUDE_INSTALL_DIR}/kleo COMPONENT Devel)
+
+install ( FILES
+    ui/kdhorizontalline.h
+    ui/messagebox.h
+    ui/progressbar.h
+    ui/progressdialog.h
+    ui/keylistview.h
+    ui/keyselectiondialog.h
+    ui/keyrequester.h
+    ui/keyapprovaldialog.h
+    ui/dnattributeorderconfigwidget.h
+    ui/cryptoconfigmodule.h
+    ui/cryptoconfigdialog.h
+    ui/directoryserviceswidget.h
+    ui/filenamerequester.h
+    DESTINATION ${INCLUDE_INSTALL_DIR}/kleo/ui COMPONENT Devel)
diff --git a/libkpgp/CMakeLists.txt b/libkpgp/CMakeLists.txt
index 4be58ba..de868ad 100644
--- a/libkpgp/CMakeLists.txt
+++ b/libkpgp/CMakeLists.txt
@@ -35,3 +35,11 @@ add_subdirectory( tests )
 install(FILES kconf_update/kpgp.upd  DESTINATION ${KCONF_UPDATE_INSTALL_DIR})
 install(PROGRAMS kconf_update/kpgp-3.1-upgrade-address-data.pl DESTINATION ${KCONF_UPDATE_INSTALL_DIR})
 
+install(FILES
+        kpgp.h
+        kpgpbase.h
+        kpgpblock.h
+        kpgpkey.h
+        kpgpui.h
+        libkpgp_export.h
+        DESTINATION ${INCLUDE_INSTALL_DIR}/kpgp COMPONENT Devel )