if libgnutls-config isn't found in the given path, deal with it nicer (but

it is still likely to not do very good since it can't figure out all the lib
dependencies)

configure.ac

@@ -7,7 +7,7 @@ dnl We don't know the version number "staticly" so we use a dash here
 AC_INIT(curl, [-], [a suitable curl mailing list => http://curl.haxx.se/mail/])
 
 dnl configure script copyright
-AC_COPYRIGHT([Copyright (c) 1998 - 2004 Daniel Stenberg, <daniel@haxx.se>
+AC_COPYRIGHT([Copyright (c) 1998 - 2005 Daniel Stenberg, <daniel@haxx.se>
 This configure script may be copied, distributed and modified under the 
 terms of the curl license; see COPYING for more details])
 
@@ -1011,8 +1011,11 @@ if test "$OPENSSL_ENABLED" != "1"; then
     else
       addlib="-L$OPT_GNUTLS/lib -lgnutls"
       addcflags="-I$OPT_GNUTLS/include"
-      version=`$OPT_GNUTLS/bin/libgnutls-config --version`
+      version=`$OPT_GNUTLS/bin/libgnutls-config --version 2>/dev/null`
       gtlsprefix=$OPT_GNUTLS
+      if test -z "$version"; then
+        version="unknown"
+      fi
     fi
 
     CLEANLDFLAGS="$LDFLAGS"