fs: fuse: fix fuse include path

This commit fixes the incorrect include path for the fuse library.
pkg_search_module populates the <XXX>_INCLUDE_DIRS cmake var.

Signed-off-by: Russ Webber <russ@rw.id.au>

Author: russkel

subsys/fs/CMakeLists.txt

@@ -30,7 +30,7 @@ if(CONFIG_FUSE_FS_ACCESS)
   zephyr_library_named(FS_FUSE)
   find_package(PkgConfig REQUIRED)
   pkg_search_module(FUSE REQUIRED fuse)
-  zephyr_include_directories(${FUSE_INCLUDE_DIR})
+  zephyr_include_directories(${FUSE_INCLUDE_DIRS})
   if (CONFIG_NATIVE_LIBRARY)
     target_link_options(native_simulator INTERFACE "-l${FUSE_LIBRARIES}")
   else()