getdns: fix missing libbsd dependency

Signed-off-by: Guo Li <uxgood.org@gmail.com>

libs/getdns/Makefile

@@ -6,7 +6,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=getdns
 PKG_VERSION:=1.4.2
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_LICENSE:=BSD-3-Clause
 PKG_LICENSE_FILES:=LICENSE
@@ -36,7 +36,7 @@ define Package/getdns
 	SECTION:=libs
 	CATEGORY:=Libraries
 	TITLE+= (library)
-	DEPENDS+= +libopenssl +!GETDNS_ENABLE_STUB_ONLY:libunbound +GETDNS_ENABLE_IDN_LIBIDN2:libidn2
+	DEPENDS+= +libopenssl +libbsd +!GETDNS_ENABLE_STUB_ONLY:libunbound +GETDNS_ENABLE_IDN_LIBIDN2:libidn2
 	MENU:=1
 endef