FindICU: Mark ICU_INCLUDE_DIR as advanced variable
This marks the ICU_INCLUDE_DIR cache variable as advanced to properly show in the CMake GUI when using advanced setting.
Topic-rename: FindICU-include-dir-advanced
Edited by Brad King
This marks the ICU_INCLUDE_DIR cache variable as advanced to properly show in the CMake GUI when using advanced setting.
Topic-rename: FindICU-include-dir-advanced