[babl] babl: return tolerance to 0.000001

[Øyvind Kolås <ok src gnome org>]

commit 15cb34f1646d19992d8b3cc71fcff3e419cbee7b
Author: Øyvind Kolås <pippin gimp org>
Date:   Tue Dec 13 21:50:56 2016 +0100

    babl: return tolerance to 0.000001
    
    Smallest value printable with default %f printf format, conversions have been
    iterated on sufficiently to crank up the precision again.

 babl/babl-fish-path.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/babl/babl-fish-path.c b/babl/babl-fish-path.c
index 3762d62..7e1504c 100644
--- a/babl/babl-fish-path.c
+++ b/babl/babl-fish-path.c
@@ -21,7 +21,7 @@
 #include "babl-internal.h"
 #include "babl-ref-pixels.h"
 
-#define BABL_TOLERANCE             0.000006
+#define BABL_TOLERANCE             0.000001
 #define BABL_MAX_COST_VALUE        2000000
 #define BABL_HARD_MAX_PATH_LENGTH  8
 #define BABL_MAX_NAME_LEN          1024