[lib][libstdc++-trusty] Fix an issue with include path

Lib should add local include path to GLOBAL_INCLUDES instead of resetting it.

Change-Id: I83c80e4c8e4d75df5776750b01305d350eb9b5c2
1 file changed
tree: 036bea2e30be28a900dbcb46c6e7575d62b7102f
  1. include/
  2. lib/