package/libuhttpd: fix comment

Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/libuhttpd/Config.in

@@ -13,4 +13,4 @@ config BR2_PACKAGE_LIBUHTTPD
 
 comment "libuhttpd needs a toolchain w/ gcc >= 4.9"
 	depends on BR2_USE_MMU
-	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
+	depends on !BR2_TOOLCHAIN_GCC_AT_LEAST_4_9