[yelp] Bump the required liblzma version to 4.9

[Javier Jardón <jjardon src gnome org>]

commit 5571538077e776c7634517b0815a532ed8ae1496
Author: Javier Jardón <jjardon gnome org>
Date:   Fri May 7 05:08:38 2010 +0200

    Bump the required liblzma version to 4.9

 configure.ac |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index b9f5a8d..722eb96 100644
--- a/configure.ac
+++ b/configure.ac
@@ -70,18 +70,18 @@ AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE,"$GETTEXT_PACKAGE",
 AM_GLIB_GNU_GETTEXT
 AM_GLIB_DEFINE_LOCALEDIR([GNOMELOCALEDIR])
 
-
+LIBLZMA_REQUIRED=4.9
 AC_ARG_ENABLE(lzma,
 	AS_HELP_STRING([--enable-lzma],[Enable lzma decoder support [[default=yes]]]),
 	[enable_lzma=$enableval],
 	[enable_lzma="auto"])
 if test x"$enable_lzma" = "xauto"; then
 	PKG_CHECK_MODULES(YELP_LZMA,
-			  liblzma,
+			  liblzma >= $LIBLZMA_REQUIRED,
 			  enable_lzma=yes,
 			  enable_lzma=no)
 elif test x"$enable_lzma" = "xyes"; then
-	PKG_CHECK_MODULES(YELP_LZMA, liblzma)
+	PKG_CHECK_MODULES(YELP_LZMA, liblzma >= $LIBLZMA_REQUIRED)
 fi
 if test x"$enable_lzma" = "xyes"; then
 	YELP_CFLAGS="$YELP_LZMA_CFLAGS $YELP_CFLAGS";