[gegl] docs: set a BABL_TOLERANCE of 0.0 for examples

[Øyvind Kolås <ok src gnome org>]

commit 06435887c123d1196f41d96e25553d9ab833d361
Author: Øyvind Kolås <pippin gimp org>
Date:   Mon Mar 13 17:36:17 2017 +0100

    docs: set a BABL_TOLERANCE of 0.0 for examples

 docs/Makefile.am |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/docs/Makefile.am b/docs/Makefile.am
index 7919372..c2a35bd 100644
--- a/docs/Makefile.am
+++ b/docs/Makefile.am
@@ -95,6 +95,7 @@ examples:  $(top_builddir)/tools/gegl-tester$(EXEEXT) $(top_srcdir)/operations/*
        @if test -d images/examples; then :; else \
                echo "Generating example images" ; \
                mkdir -p images/examples ; \
+               BABL_TOLERANCE=0.0 \
                GEGL_SWAP=RAM GEGL_PATH=$(top_builddir)/operations \
                $(top_builddir)/tools/gegl-tester$(EXEEXT) --all -o images/examples \
                -d $(srcdir)/images -e $(exclusion_pattern) ; \