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Make clang happy since it squashes the control warning, ideally it will never reach that return value due to assert
but there is a chance when NDEBUG is defined

| In file included from ../../xcb-util-image-0.4.0/image/xcb_image.c:37:
| ../../xcb-util-image-0.4.0/image/xcb_bitops.h:210:1: error: control may reach end of non-void function [-Werror,-Wreturn-type]
| }
| ^
| 1 error generated.

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Upstream-Status: Pending

Index: xcb-util-image-0.4.0/image/xcb_bitops.h
===================================================================
--- xcb-util-image-0.4.0.orig/image/xcb_bitops.h
+++ xcb-util-image-0.4.0/image/xcb_bitops.h
@@ -207,6 +207,7 @@ xcb_host_byte_order(void) {
       return XCB_IMAGE_ORDER_LSB_FIRST;
   }
   assert(0);
+  return -1;
 }
 
 #endif /* __XCB_BITOPS_H__ */