configure.ac: require GLib 2.16

Accidently, MPD has been using several GLib 2.16 functions for a
while, and nobody noticed yet.  To simplify the code base, let's bump
the minimum GLib version for MPD to 2.16.  That version is old enough,
and it's reasonable to expect users to have it.

1 files changed, 1 insertions, 1 deletions

diff --git a/INSTALL b/INSTALL
index 360461d84..82cb0c712 100644
--- a/INSTALL
+++ b/INSTALL
@@ -13,7 +13,7 @@ Dependencies
 gcc - http://gcc.gnu.org/
 Any other C99 compliant compiler should also work.
 
-glib - http://www.gtk.org/
+GLib 2.16 - http://www.gtk.org/
 General-purpose utility library.