The i variable must be private in a thread loop

diff --git a/MagickCore/attribute.c b/MagickCore/attribute.c
index 413f4ebd7b6951fe33d594874f2c653832159d5a..32d9fd7e2ee4226f41710598df4ccd83e6c85be8 100644 (file)
--- a/MagickCore/attribute.c
+++ b/MagickCore/attribute.c
@@ -467,6 +467,9 @@ MagickExport size_t GetImageDepth(const Image *image,ExceptionInfo *exception)
       continue;
     for (x=0; x < (ssize_t) image->columns; x++)
     {
+      register ssize_t
+        i;
+
       if (GetPixelWriteMask(image,p) == 0)
         {
           p+=GetPixelChannels(image);