babl: increase precision of error included in babl-fishes cache

diff --git a/babl/babl-cache.c b/babl/babl-cache.c
index 7479c90688ace1fb0ddf85a42d7678eec52b495d..63ae19e7eca18e3e2c34d50753d76de2352ed04a 100644 (file)
--- a/babl/babl-cache.c
+++ b/babl/babl-cache.c
@@ -129,7 +129,7 @@ babl_fish_serialize (Babl *fish, char *dest, int n)
     n -= strlen (d);d += strlen (d);
   }
 
-  snprintf (d, n, " error=%f", fish->fish.error);
+  snprintf (d, n, " error=%.10f", fish->fish.error);
   n -= strlen (d);d += strlen (d);
 
   if (fish->class_type == BABL_FISH)