after cmake refactor

Findgnss_utils.cmake

 FIND_PATH(
     gnss_utils_INCLUDE_DIRS
-    NAMES gnss_utils.h
-    PATHS /usr/local/include/iri-algorithms/gnss_utils /usr/local/lib/iri-algorithms/gnss_utils)
-#change INCLUDE_DIRS to its parent directory (to force includes with libname in front
-get_filename_component(gnss_utils_INCLUDE_DIRS ${gnss_utils_INCLUDE_DIRS} DIRECTORY)
+    NAMES gnss_utils/gnss_utils.h
+    PATHS /usr/local/include/iri-algorithms)
 IF(gnss_utils_INCLUDE_DIRS)
   MESSAGE("Found gnss_utils include dirs: ${gnss_utils_INCLUDE_DIRS}")
 ELSE(gnss_utils_INCLUDE_DIRS)