src/filemanager/mountlist.c: fix indentation.

Signed-off-by: Andrew Borodin <aborodin@vmail.ru>

src/filemanager/mountlist.c

@@ -275,7 +275,7 @@ me_remote (char const *fs_name, char const *fs_type _GL_UNUSED)
    with GNU libc on Linux kernels before 2.6.36, which stats all
    preceding entries in /proc/mounts; that makes df hang if even one
    of the corresponding file systems is hard-mounted but not available.  */
-# if ! (__linux__ && (__GLIBC__ || __UCLIBC__))
+#if ! (__linux__ && (__GLIBC__ || __UCLIBC__))
 /* The FRSIZE fallback is not required in this case.  */
 #undef STAT_STATFS2_FRSIZE
 static int