fileio: fix verification on failure in write_string_file_full()

Fixes a bug introduced by 0ab5e2a4b4.

src/basic/fileio.c

@@ -380,7 +380,7 @@ fail:
 
         /* OK, the operation failed, but let's see if the right contents in place already. If so, eat up the
          * error. */
-        if (verify_file(fn, line, !(flags & WRITE_STRING_FILE_AVOID_NEWLINE) || (flags & WRITE_STRING_FILE_VERIFY_IGNORE_NEWLINE)) > 0)
+        if (verify_file_at(dir_fd, fn, line, !(flags & WRITE_STRING_FILE_AVOID_NEWLINE) || (flags & WRITE_STRING_FILE_VERIFY_IGNORE_NEWLINE)) > 0)
                 return 0;
 
         return r;

src/basic/fileio.h

@@ -90,9 +90,6 @@ static inline int read_full_stream(FILE *f, char **ret_contents, size_t *ret_siz
 }
 
 int verify_file_at(int dir_fd, const char *fn, const char *blob, bool accept_extra_nl);
-static inline int verify_file(const char *fn, const char *blob, bool accept_extra_nl) {
-        return verify_file_at(AT_FDCWD, fn, blob, accept_extra_nl);
-}
 
 int script_get_shebang_interpreter(const char *path, char **ret);