[gegl] configure: set G_LOG_DOMAIN to "GEGL" only.

[Jehan Pagès <jehanp src gnome org>]

commit fcc0bb57518d06ae22b7a8c8c8cd20e29c5e9649
Author: Jehan <jehan girinstud io>
Date:   Thu Nov 24 01:34:05 2016 +0100

    configure: set G_LOG_DOMAIN to "GEGL" only.
    
    Concatenating __FILE__ is a bad idea because it expands to a full path,
    which means the log domain ends up different on every machine depending
    on build path. This makes it impossible to set GEGL handlers in a
    generic way.

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index afea8d3..b20ed99 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1270,7 +1270,7 @@ done
 # We should support this at some point if possible
 #LDFLAGS="-Wl,-z,defs"
 
-CFLAGS="$CFLAGS -DG_LOG_DOMAIN=\\\"GEGL-\\\"__FILE__"
+CFLAGS="$CFLAGS -DG_LOG_DOMAIN=\\\"GEGL\\\""
 
 dnl bin/node-editors/Makefile
 AC_CONFIG_FILES([