various: unexport a few internal structs

We don't expose destructors for these internal structs already.
Let's make the struct itself implementation detail too.

src/shared/edit-util.c

@@ -16,6 +16,15 @@
 #include "strv.h"
 #include "tmpfile-util-label.h"
 
+typedef struct EditFile {
+        EditFileContext *context;
+        char *path;
+        char *original_path;
+        char **comment_paths;
+        char *temp;
+        unsigned line;
+} EditFile;
+
 void edit_file_context_done(EditFileContext *context) {
         int r;
 

src/shared/edit-util.h

@@ -7,18 +7,8 @@
 #define DROPIN_MARKER_END "### Edits below this comment will be discarded"
 
 typedef struct EditFile EditFile;
-typedef struct EditFileContext EditFileContext;
 
-struct EditFile {
-        EditFileContext *context;
-        char *path;
-        char *original_path;
-        char **comment_paths;
-        char *temp;
-        unsigned line;
-};
-
-struct EditFileContext {
+typedef struct EditFileContext {
         EditFile *files;
         size_t n_files;
         const char *marker_start;
@@ -26,7 +16,7 @@ struct EditFileContext {
         bool remove_parent;
         bool overwrite_with_origin; /* Always overwrite target with original file. */
         bool stdin;                 /* Read contents from stdin instead of launching an editor. */
-};
+} EditFileContext;
 
 void edit_file_context_done(EditFileContext *context);