[gnome-applets] fix ./configure --help bracket for --enable-suid

[Jeremy Bicha <jbicha src gnome org>]

commit 671d2336104d87df8b5aa7776b7369790ffe03fe
Author: Nishio Futoshi <fut_nis d3 dion ne jp>
Date:   Sun Jul 21 12:12:25 2013 -0400

    fix ./configure --help bracket for --enable-suid
    
    https://bugzilla.gnome.org/show_bug.cgi?id=672683

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index d183c42..33a466f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -524,7 +524,7 @@ AC_ARG_ENABLE(frequency-selector,
 
 dnl --enable-suid=(yes/no)
 AC_ARG_ENABLE(suid,
-       [  --enable-suid[@:<@=yes/no@:>@]  suid root the frequency selector executable
+       [  --enable-suid[@<:@=yes/no@:>@]  suid root the frequency selector executable
                    [@<:@default: yes@:>@]], ,
        suid=yes)