[PATCH] Clean up the SunOS Makefile rule

Don't set a non-standard CURLDIR as default, and fix an error
in Solaris 10 by setting NEEDS_LIBICONV.

Signed-off-by: Peter Eriksen <s022018@student.dtu.dk>
Signed-off-by: Junio C Hamano <junkio@cox.net>

Makefile

@@ -189,9 +189,9 @@ endif
 ifeq ($(uname_S),SunOS)
 	NEEDS_SOCKET = YesPlease
 	NEEDS_NSL = YesPlease
+	NEEDS_LIBICONV = YesPlease
 	SHELL_PATH = /bin/bash
 	NO_STRCASESTR = YesPlease
-	CURLDIR = /opt/sfw
 	INSTALL = ginstall
 	TAR = gtar
 	PLATFORM_DEFINES += -D__EXTENSIONS__