shared libraries under HP-UX 10.20

[Albert Chin-A-Young]

It's currently not possible to generate shared libraries under HP-UX
10.20 with the latest libtool from the ML branch. Patch attached. A
similar workaround exists for freebsd.

-- 
albert chin (address@hidden)

-- snip snip
--- libtool.m4.orig     Wed Dec 20 15:41:42 2000
+++ libtool.m4  Wed Dec 20 15:41:57 2000
@@ -566,7 +566,9 @@
   ;;
 
 hpux10.20*|hpux11*)
+  changequote(,)dnl
   lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9].[0-9]) 
shared library'
+  changequote([, ])dnl
   lt_cv_file_magic_cmd=/usr/bin/file
   lt_cv_file_magic_test_file=/usr/lib/libc.sl
   ;;