add libgcc dependency

package/gcc/Makefile

@@ -8,7 +8,7 @@ PKG_NAME:=		gcc
 PKG_DESCR:=		GNU C compiler
 PKG_SECTION:=		lang
 PKG_OPTS:=		noremove
-PKG_DEPENDS:=		libmpc libgmp mpfr
+PKG_DEPENDS:=		libmpc libgmp mpfr libgcc
 PKG_BUILDDEP:=		libmpc gmp mpfr
 
 PKG_ARCH_DEPENDS:=	!avr32