package/libgsasl: fix typo in variable name

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/libgsasl/libgsasl.mk

@@ -9,6 +9,6 @@ LIBGSASL_SITE = $(BR2_GNU_MIRROR)/gsasl
 LIBGSASL_LICENSE = LGPLv2.1+ (library), GPLv3+ (programs)
 LIBGSASL_LICENSE_FILES = README COPYING.LIB COPYING
 LIBGSASL_INSTALL_STAGING = YES
-LIBGSAS_DEPENDENCIES = $(if $(BR2_PACKAGE_LIBIDN),libidn)
+LIBGSASL_DEPENDENCIES = $(if $(BR2_PACKAGE_LIBIDN),libidn)
 
 $(eval $(autotools-package))