* Makefile.in (jc1, jv-scan): Link with $(SUBDIR_OBSTACK).
        * jv-scan.c: Fix xmalloc prototype.  Provide an xmalloc definition.
        * jvgenmain.c: Remove the xmalloc prototype, we get it from
        libiberty.h.  Provide an xmalloc definition.
        * jvspec.c: Remove the xmalloc prototype.
        * parse-scan.y: Include config.h and system.h.  Don't include
        OS headers or gansidecl.h.  Don't prototype xmalloc/xstrdup.
        Provide an xstrdup definition.

From-SVN: r23934