configure.in (host_xm_file, [...]): Arrange to include gansidecl.h in {ht}config.h & tm.h just before the config/...

        * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
        Arrange to include gansidecl.h in {ht}config.h & tm.h just
        before the config/ directory headers.
        (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
        gansidecl.h in the list of dependencies.
        * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
        (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
        mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
        gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
        dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
        cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
        Likewise.
        * cccp.c: Don't include gansidecl.h.
        * cexp.y: Likewise.
        * collect2.c: Likewise.
        * config/c4x/c4x.c: Likewise.
        * config/v850/v850.h: Likewise.
        * cppalloc.c: Likewise.
        * cpperror.c: Likewise.
        * cppexp.c: Likewise.
        * cppfiles.c: Likewise.
        * cpphash.c: Likewise.
        * cpplib.c: Likewise.
        * cppmain.c: Likewise.
        * cppulp.c: Likewise.
        * demangle.h: Likewise.
        * doprint.c: Likewise.
        * dyn-string.c: Likewise.
        * eh-common.h: Likewise.
        * fix-header.c: Likewise.
        * frame.c: Likewise.
        * gcc.c: Likewise.
        * gcov.c: Likewise.
        * gen-protos.c: Likewise.
        * gencheck.c: Likewise.
        * halfpic.h: Likewise.
        * hash.c: Likewise.
        * machmode.h: Likewise.
        * mbchar.c: Likewise.
        * prefix.c: Likewise.
        * protoize.c: Likewise.
        * recog.h: Likewise.
        * rtl.h: Likewise.
        * scan-decls.c: Likewise.
        * tree.h: Likewise.
        * varray.h: Likewise.

From-SVN: r23558