FYI: HEAD: kill some dead code in has_library_ext

[Ralf Wildenhues]

Applied to HEAD; this problem isn't present in branch-1-5.

Cheers,
Ralf

2007-08-30  Ralf Wildenhues  <address@hidden>

        * libltdl/ltdl.c (has_library_ext): Remove dead code.
        Coverity report CID 561 against Open MPI via Jeff Squyres.

Index: libltdl/ltdl.c
===================================================================
RCS file: /cvsroot/libtool/libtool/libltdl/ltdl.c,v
retrieving revision 1.256
diff -u -r1.256 ltdl.c
--- libltdl/ltdl.c      15 Aug 2007 21:38:31 -0000      1.256
+++ libltdl/ltdl.c      30 Aug 2007 18:14:55 -0000
@@ -1479,11 +1479,9 @@
 has_library_ext (const char *filename)
 {
   char *       ext     = 0;
-  size_t       len;
 
   assert (filename);
 
-  len = LT_STRLEN (filename);
   ext = strrchr (filename, '.');
 
   if (ext && ((streq (ext, archive_ext))