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-rw-r--r--src/include/stdlib.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/include/stdlib.h b/src/include/stdlib.h
index 45420d7876..5465c14f92 100644
--- a/src/include/stdlib.h
+++ b/src/include/stdlib.h
@@ -5,7 +5,7 @@
#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
-#define ALIGN(x,a) __ALIGN_MASK(x,(typeof(x))(a)-1)
+#define ALIGN(x,a) __ALIGN_MASK(x,(typeof(x))(a)-1UL)
#define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask))
#define MIN(a,b) ((a) < (b) ? (a) : (b))