tvheadend: Fix build dependency for iconv libs

Signed-off-by: Ted Hess <thess@kitschensync.net>

multimedia/tvheadend/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=tvheadend
 PKG_VERSION:=4.0.5
-PKG_RELEASE:=2
+PKG_RELEASE:=3
 
 PKG_SOURCE_SUBDIR:=$(PKG_NAME)
 PKG_SOURCE_VERSION:=v$(PKG_VERSION)
@@ -32,7 +32,7 @@ define Package/tvheadend
   SECTION:=multimedia
   CATEGORY:=Multimedia
   TITLE:=Tvheadend is a TV streaming server for Linux
-  DEPENDS:=+libopenssl +librt +zlib +TVHEADEND_AVAHI_SUPPORT:libavahi-client
+  DEPENDS:=+libopenssl +librt +zlib +TVHEADEND_AVAHI_SUPPORT:libavahi-client $(ICONV_DEPENDS)
   URL:=https://tvheadend.org
   MAINTAINER:=Jan Čermák <jan.cermak@nic.cz>
 endef