Added find_package(Doxygen) in order to find doxygen binaries for building the user documentation.

git-svn-id: http://www.openflipper.org/svnrepo/OpenFlipper/branches/Free@12057 383ad7c9-94d9-4d36-a494-682f7c89f535

cmake/plugin.cmake

@@ -403,6 +403,8 @@ function (_build_openflipper_plugin plugin)
       set(plugin_html_doc_dir "${CMAKE_BINARY_DIR}/Build/${ACG_PROJECT_DATADIR}/Doc/UserHTML/Plugin-${plugin}")
       set(plugin_qt_help_dir "${CMAKE_BINARY_DIR}/Build/${ACG_PROJECT_DATADIR}/Help")
     
+      find_package(Doxygen)
+
       if (EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/userDoc/doxy.config.in AND DOXYGEN_FOUND )
 
         # Create user documentation target from userDoc subdir of the plugin