This is an attempt to fix the failing icon branding in NSIS packages.

git-svn-id: http://www.openflipper.org/svnrepo/OpenFlipper/branches/Free@17103 383ad7c9-94d9-4d36-a494-682f7c89f535

CoreApp/CMakeLists.txt

@@ -345,4 +345,5 @@ endif ()
 if ( EXISTS ${CMAKE_SOURCE_DIR}/branding/Icons )
   # Overwrite generic Icons with branded ones.
   acg_copy_after_build (${OPENFLIPPER_PRODUCT_STRING} "${CMAKE_SOURCE_DIR}/branding/Icons" "${CMAKE_BINARY_DIR}/Build/${ACG_PROJECT_DATADIR}/Icons")
+  acg_install_dir ("${CMAKE_SOURCE_DIR}/branding/Icons" "${ACG_PROJECT_DATADIR}/Icons")
 endif()