ENH: Fix icons

Templates/CPackConfig.cmake.in

@@ -10,7 +10,7 @@ SET(CPACK_PACKAGE_VENDOR "@CPACK_PACKAGE_VENDOR@")
 
 SET(CPACK_PACKAGE_FILE_NAME "@CPACK_PACKAGE_FILE_NAME@")
 
-SET(CPACK_PACKAGE_EXECUTABLE "@CPACK_PACKAGE_EXECUTABLE@")
+SET(CPACK_PACKAGE_EXECUTABLES "@CPACK_PACKAGE_EXECUTABLES@")
 
 SET(CPACK_PACKAGE_DESCRIPTION_SUMMARY "@CPACK_PACKAGE_DESCRIPTION_SUMMARY@")
 SET(CPACK_PACKAGE_DESCRIPTION_FILE "@CPACK_PACKAGE_DESCRIPTION_FILE@")