fixed sg error

Author: Schmaetz

scripts/nss_wrapper/nss_wrapper.sh

@@ -42,5 +42,4 @@ export LD_PRELOAD=/usr/lib64/libnss_wrapper.so
 export NSS_WRAPPER_PASSWD="${NSS_PASSWD}"
 export NSS_WRAPPER_GROUP="${NSS_GROUP}"
 
-exec "$@"
-
+exec "$@"