A minor change to avoid a compiler warning.

17ef8f04 · Davis King · 5b18f1d3 · 17ef8f04
Commit 17ef8f04 authored Apr 16, 2014 by Davis King
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dlib/image_transforms/draw.h dlib/image_transforms/draw.h +2 -2

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--- a/dlib/image_transforms/draw.h
+++ b/dlib/image_transforms/draw.h
@@ -261,9 +261,9 @@ namespace dlib
        assign_pixel(background_color, 0);
        temp = background_color;
        unsigned long idx = 0;
-        for (long r = 0; r < size_nr; ++r)
+        for (unsigned long r = 0; r < size_nr; ++r)
        {
-            for (long c = 0; c < size_nc; ++c)
+            for (unsigned long c = 0; c < size_nc; ++c)
            {
                if (idx < images.size())
                {