libgimp, pdb: some generated files which were not in previous commits.

It's weird. I didn't see these when I added the GimpDistanceMetric enum
type. Not sure why. Adding these now.

libgimp/gimpenums.c.tail

@@ -20,6 +20,7 @@ static const GimpGetTypeFunc get_type_funcs[] =
   gimp_convert_palette_type_get_type,
   gimp_convolve_type_get_type,
   gimp_desaturate_mode_get_type,
+  gimp_distance_metric_get_type,
   gimp_dodge_burn_type_get_type,
   gimp_fill_type_get_type,
   gimp_foreground_extract_mode_get_type,
@@ -86,6 +87,7 @@ static const gchar * const type_names[] =
   "GimpConvertPaletteType",
   "GimpConvolveType",
   "GimpDesaturateMode",
+  "GimpDistanceMetric",
   "GimpDodgeBurnType",
   "GimpFillType",
   "GimpForegroundExtractMode",

pdb/enums.pl

@@ -165,6 +165,16 @@ package Gimp::CodeGen::enums;
 		       GIMP_DESATURATE_LUMINANCE => '3',
 		       GIMP_DESATURATE_VALUE => '4' }
 	},
+    GimpDistanceMetric =>
+	{ contig => 1,
+	  header => 'libgimpbase/gimpbaseenums.h',
+	  symbols => [ qw(GIMP_DISTANCE_METRIC_EUCLIDEAN
+			  GIMP_DISTANCE_METRIC_MANHATTAN
+			  GIMP_DISTANCE_METRIC_CHESSBOARD) ],
+	  mapping => { GIMP_DISTANCE_METRIC_EUCLIDEAN => '0',
+		       GIMP_DISTANCE_METRIC_MANHATTAN => '1',
+		       GIMP_DISTANCE_METRIC_CHESSBOARD => '2' }
+	},
     GimpDodgeBurnType =>
 	{ contig => 1,
 	  header => 'libgimpbase/gimpbaseenums.h',