Update struct to use pointers instead of flexible length structs

libguestfs-inspect.h

@@ -6,19 +6,17 @@ enum guestfs_inspect_command_const {
 };
 
 struct guestfs_ls_args {
-  size_t path_length;
+  char **paths;
-  char path[];
 };
 struct guestfs_cat_args {};
 
 struct guestfs_inpsect_command {
+  char *name;
   enum guestfs_inspect_command_const command;
   union {
     struct guestfs_ls_args ls;
     struct guestfs_cat_args cat;
   } args;
-  size_t name_length;
-  char name[];
 };
 
 static char *endpoint() {