package/freerdp: needs threads

Fixes:
    http://autobuild.buildroot.org/results/0b7/0b71e37b8891b3b8810d1e74445177a1099b59f3/

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/freerdp/Config.in

@@ -2,6 +2,7 @@ config BR2_PACKAGE_FREERDP
 	bool "freerdp"
 	depends on BR2_USE_WCHAR
 	depends on !BR2_STATIC_LIBS # uses dlfcn.h
+	depends on BR2_TOOLCHAIN_HAS_THREADS
 	select BR2_PACKAGE_OPENSSL
 	select BR2_PACKAGE_ZLIB
 	help
@@ -40,5 +41,6 @@ comment "freerdp server and client need X.Org"
 
 endif
 
-comment "freerdp needs a toolchain w/ wchar, dynamic library"
-	depends on !BR2_USE_WCHAR || BR2_STATIC_LIBS
+comment "freerdp needs a toolchain w/ wchar, dynamic library, threads"
+	depends on !BR2_USE_WCHAR || BR2_STATIC_LIBS \
+		|| !BR2_TOOLCHAIN_HAS_THREADS