package/libvirt: fix syntax error in Config.in

The typo was introduced in 6aa318d91e66731d66dca485c4c30391fe0e2423

Signed-off-by: Titouan Christophe <titouanchristophe@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/libvirt/Config.in

@@ -9,7 +9,7 @@ comment "libvirt needs udev /dev management, a toolchain w/ threads, dynamic lib
 	depends on BR2_PACKAGE_LIBVIRT_ARCH_SUPPORTS
 	depends on !BR2_PACKAGE_HAS_UDEV || BR2_STATIC_LIBS || !BR2_USE_MMU || \
 		!BR2_TOOLCHAIN_HAS_THREADS || \
-		!(BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_12 &&
+		!(BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_12 && \
 		  (BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_11 || !BR2_aarch64))
 
 config BR2_PACKAGE_LIBVIRT