fs/{StandardDirectory,CheckFile}: move to fs/glue/

Distangle library dependencies.

src/config/Path.cxx

@@ -5,7 +5,7 @@
 #include "Data.hxx"
 #include "fs/AllocatedPath.hxx"
 #include "fs/Traits.hxx"
-#include "fs/StandardDirectory.hxx"
+#include "fs/glue/StandardDirectory.hxx"
 #include "lib/fmt/RuntimeError.hxx"
 #include "util/StringSplit.hxx"
 

src/config/meson.build

@@ -15,12 +15,13 @@ config = static_library(
   dependencies: [
     log_dep,
     fmt_dep,
+    fs_dep,
+    fs_glue_dep,
   ],
 )
 
 config_dep = declare_dependency(
   link_with: config,
   dependencies: [
-    fs_dep,
   ],
 )