pixel-wand.patch

diff --git libs/include/wand/pixel-wand.h libs/include/wand/pixel-wand.h
index fc339ae..17dc195 100644
--- libs/include/wand/pixel-wand.h
+++ libs/include/wand/pixel-wand.h
@@ -22,6 +22,32 @@
 extern "C" {
 #endif
 
+// PATCH(robfig): Need to define the PixelWand struct in the header to
+// avoid a compile error when it's instantiated by magick_wand_image.go
+struct _PixelWand
+{
+  size_t
+    id;
+
+  char
+    name[MaxTextExtent];
+
+  ExceptionInfo
+    *exception;
+
+  MagickPixelPacket
+    pixel;
+
+  size_t
+    count;
+
+  MagickBooleanType
+    debug;
+
+  size_t
+    signature;
+};
+
 typedef struct _PixelWand
   PixelWand;