[glib] build: Fix a broken link in an error message from configure.ac

[Philip Withnall <pwithnall src gnome org>]

commit cfe41f4cedfec6de09561411246529886ec9e7cc
Author: Philip Withnall <withnall endlessm com>
Date:   Tue Nov 7 11:45:29 2017 +0000

    build: Fix a broken link in an error message from configure.ac
    
    Spotted in bug #742548.
    
    Signed-off-by: Philip Withnall <withnall endlessm com>

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index cb13036..5cbff19 100644
--- a/configure.ac
+++ b/configure.ac
@@ -690,7 +690,7 @@ AM_CONDITIONAL(HAVE_SUNSTUDIO_VISIBILITY, [test x$g_have_sunstudio_visibility =
 # check for bytesex stuff
 AC_C_BIGENDIAN
 if test x$ac_cv_c_bigendian = xuniversal ; then
-  AC_MSG_ERROR([Universal builds not supported: see https://bugs.gnome.org/742548])
+  AC_MSG_ERROR([Universal builds not supported: see https://bugzilla.gnome.org/show_bug.cgi?id=742548])
 fi