[babl] extensions: HSV.o: return the number of samples processed, not always 0

[Michael Natterer <mitch src gnome org>]

commit 4f7f1c85f105bbe2f838f225389569b8c05d0639
Author: Michael Natterer <mitch gimp org>
Date:   Sun Apr 7 16:04:49 2013 +0200

    extensions: HSV.o: return the number of samples processed, not always 0

 extensions/HSV.c |   19 +++++++++++++------
 1 files changed, 13 insertions(+), 6 deletions(-)
---
diff --git a/extensions/HSV.c b/extensions/HSV.c
index 6185fb7..6c66f42 100644
--- a/extensions/HSV.c
+++ b/extensions/HSV.c
@@ -21,6 +21,7 @@
  */
 
 #include "config.h"
+
 #include <math.h>
 #include <string.h>
 
@@ -31,11 +32,11 @@
 
 static long  rgba_to_hsva (char *src,
                            char *dst,
-                           long  n);
+                           long  samples);
 
 static long  hsva_to_rgba (char *src,
                            char *dst,
-                           long  n);
+                           long  samples);
 
 int init (void);
 
@@ -87,8 +88,10 @@ init (void)
 static long
 rgba_to_hsva (char *src,
               char *dst,
-              long  n)
+              long  samples)
 {
+  long n = samples;
+
   while (n--)
   {
     double red   = ((double *) src)[0];
@@ -148,14 +151,17 @@ rgba_to_hsva (char *src,
     src += 4 * sizeof (double);
     dst += 4 * sizeof (double);
   }
-  return n;
+
+  return samples;
 }
 
 static long
 hsva_to_rgba (char *src,
               char *dst,
-              long  n)
+              long  samples)
 {
+  long n = samples;
+
   while (n--)
   {
     double hue        = ((double *) src)[0];
@@ -216,5 +222,6 @@ hsva_to_rgba (char *src,
     src += 4 * sizeof (double);
     dst += 4 * sizeof (double);
   }
-  return n;
+
+  return samples;
 }