CentOS6/RHEL6 init script: fixed typo.

Thanks to Gena Makhomed.

rpm/SOURCES/nginx.init.in

diff --git a/rpm/SOURCES/nginx.init.in b/rpm/SOURCES/nginx.init.in
index 66f1500..4370c67 100755
--- a/rpm/SOURCES/nginx.init.in
+++ b/rpm/SOURCES/nginx.init.in
@@ -38,7 +38,7 @@
 conffile=${CONFFILE:-/etc/nginx/nginx.conf}
 lockfile=${LOCKFILE:-/var/lock/subsys/%PROVIDES%}
 pidfile=${PIDFILE:-/var/run/nginx.pid}
-SLEEPSEC=${SLEEPSEC:-1}}
+SLEEPSEC=${SLEEPSEC:-1}
 UPGRADEWAITLOOPS=${UPGRADEWAITLOOPS:-5}
 CHECKSLEEP=${CHECKSLEEP:-3}
 RETVAL=0