[vinagre/gnome-3-2] Bump pkg-config requirement to 0.24

[David King <davidk src gnome org>]

commit b4516d109c4fde87b411ff5e6a678085e67d631c
Author: David King <amigadave amigadave com>
Date:   Sat Dec 3 09:24:41 2011 +0100

    Bump pkg-config requirement to 0.24
    
    Version 0.24 or greater of pkg-config is required in order to avoid the
    duplicate AC_SUBST macro calls for PKG_CHECK_MODULES substitutions.

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index a5dd83c..e5b1708 100644
--- a/configure.ac
+++ b/configure.ac
@@ -25,7 +25,7 @@ AS_CASE([$host_os],
   [gio_os=gio-unix-2.0; windows_host=no])
 AC_MSG_RESULT([$windows_host])
 
-PKG_PROG_PKG_CONFIG([0.16])
+PKG_PROG_PKG_CONFIG([0.24])
 
 AC_PROG_SED