fix openjdk7 build for glibc

package/openjdk7/Makefile

@@ -5,7 +5,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=		openjdk7
 PKG_VERSION:=		2.4.7
-PKG_RELEASE:=		5
+PKG_RELEASE:=		6
 PKG_MD5SUM:=		f6b28633b9978fadc724247cfc264ff0
 PKG_DESCR:=		java virtual machine
 PKG_SECTION:=		dev/lang
@@ -21,6 +21,7 @@ PKG_DEPENDS+=		libpng giflib libgtk glib fontconfig
 PKG_URL:=		http://openjdk.org/
 PKG_SITES:=		http://icedtea.classpath.org/download/source/
 
+PKG_BUILDDEP_UCLIBC:=	libiconv-tiny
 DISTFILES:=		icedtea-$(PKG_VERSION).tar.xz
 WRKDIST=		${WRKDIR}/icedtea-${PKG_VERSION}