[gnome-keyring] Revert change which accidentally bumped libtasn1 required version to 1.0.

[Stefan Walter <stefw src gnome org>]

commit 9c9715bf0da4b1ac794c142385299600f94124f7
Author: Stef Walter <stef memberwebs com>
Date:   Sun Sep 13 15:59:20 2009 +0000

    Revert change which accidentally bumped libtasn1 required version to 1.0.
    
    See later comments on Bug #563702

 configure.in |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.in b/configure.in
index d2ecec4..62d8f07 100644
--- a/configure.in
+++ b/configure.in
@@ -358,7 +358,7 @@ AC_SUBST([LIBGCRYPT_LIBS])
 
 GKR_LIBTASN1_VERSION=0.3.4
 
-PKG_CHECK_MODULES(LIBTASN1,libtasn1 >= 1.0)
+PKG_CHECK_MODULES(LIBTASN1,libtasn1 >= $GKR_LIBTASN1_VERSION)
 AC_SUBST([LIBTASN1_LIBS])
 AC_SUBST([LIBTASN1_CFLAGS])