[source] tools: add missing dependency for dosfstools

[LEDE Commits]

nbd pushed a commit to source.git, branch master:
https://git.lede-project.org/b306f8254f5c03d0d73bacb20255c96752fc7748

commit b306f8254f5c03d0d73bacb20255c96752fc7748
Author: Felix Fietkau <nbd at nbd.name>
AuthorDate: Wed Oct 12 12:25:12 2016 +0200

    tools: add missing dependency for dosfstools
    
    Signed-off-by: Felix Fietkau <nbd at nbd.name>
---
 tools/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/Makefile b/tools/Makefile
index 1c84d46..4bfe4af 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -79,6 +79,7 @@ $(curdir)/bc/compile := $(curdir)/bison/install
 $(curdir)/findutils/compile := $(curdir)/bison/install
 $(curdir)/gengetopt/compile := $(curdir)/libtool/install
 $(curdir)/patchelf/compile := $(curdir)/libtool/install
+$(curdir)/dosfstools/compile := $(curdir)/autoconf/install $(curdir)/automake/install
 ifeq ($(HOST_OS),Darwin)
 tools-y += libressl
 $(curdir)/mkimage/compile += $(curdir)/libressl/install