intel/compiler: initialize 'input_vue_map' member in constructor

Fix defect CID 1474559 reported by Coverity Scan.

Uninitialized pointer field (UNINIT_CTOR).
Non-static class member input_vue_map is not initialized in this
constructor nor in any functions that it calls.

Signed-off-by: Yevhenii Kharchenko <yevhenii.kharchenko@globallogic.com>