AWK is required by MS dumpbin symbol pipe.

[Peter Rosin]

Hi!

This patch make sure AWK is set, even for minimal configure
script that doesn't bring it in from elsewhere.

Cheers,
Peter

2009-01-26  Peter Rosin  <address@hidden>

        AWK is required, make sure it is set.
        * libltdl/m4/libtool.m4 (_LT_CMD_GLOBAL_SYMBOLS: Make sure
        AWK is set (automake brings it in, but is not always used).
        Fixes old-m4-iface.at on MSYS/MSVC.

diff --git a/libltdl/m4/libtool.m4 b/libltdl/m4/libtool.m4
index 35cdd12..cec2aaa 100644
--- a/libltdl/m4/libtool.m4
+++ b/libltdl/m4/libtool.m4
@@ -3361,6 +3361,7 @@ _LT_TAGDECL([no_builtin_flag], 
[lt_prog_compiler_no_builtin_flag], [1],
 m4_defun([_LT_CMD_GLOBAL_SYMBOLS],
 [AC_REQUIRE([AC_CANONICAL_HOST])dnl
 AC_REQUIRE([AC_PROG_CC])dnl
+AC_REQUIRE([AC_PROG_AWK])dnl
 AC_REQUIRE([LT_PATH_NM])dnl
 AC_REQUIRE([LT_PATH_LD])dnl
 m4_require([_LT_DECL_SED])dnl