[Buildroot] [PATCH] package/mosquito: needs sync_4

[Yann E. MORIN]

Fixes:
    http://autobuild.buildroot.org/results/2bc/2bc84ba2d1167018e2d48e5183ead22b6425dcf5/
    http://autobuild.buildroot.org/results/445/445f377ae70397b5f675f541977900e8986b79a4/
    http://autobuild.buildroot.org/results/57e/57e6984427f8c5d906a93884cc461b8f93cf5ce0/
    ...

Signed-off-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
---
 package/mosquitto/Config.in | 1 +
 1 file changed, 1 insertion(+)

diff --git a/package/mosquitto/Config.in b/package/mosquitto/Config.in
index 50937d0..bc2ab35 100644
--- a/package/mosquitto/Config.in
+++ b/package/mosquitto/Config.in
@@ -1,6 +1,7 @@
 config BR2_PACKAGE_MOSQUITTO
 	bool "mosquitto"
 	depends on BR2_USE_MMU # fork()
+	depends on BR2_TOOLCHAIN_HAS_SYNC_4
 	depends on !BR2_STATIC_LIBS # builds .so
 	help
 	  Mosquitto is an open source message broker that implements
-- 
2.7.4