xdiff: fix typo
diff --git a/src/xdiff/xdiffi.c b/src/xdiff/xdiffi.c
index 9a7f538..916295b 100644
--- a/src/xdiff/xdiffi.c
+++ b/src/xdiff/xdiffi.c
@@ -36,7 +36,7 @@
#elif defined(__GNUC__)
# define XDL_INLINE(type) static __inline__ type
#else
-#define XDG_INLINE(type) static type
+# define XDL_INLINE(type) static type
#endif
typedef struct s_xdpsplit {