style: reorder variable declarations to match ndarray/base/unary

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---

Author: kgryte

lib/node_modules/@stdlib/ndarray/base/nullary/src/dispatch.c

@@ -208,8 +208,8 @@ static int8_t stdlib_ndarray_nullary_1d_flatten( const ndarrayNullaryFcn f, cons
 * }
 */
 int8_t stdlib_ndarray_nullary_dispatch( const struct ndarrayNullaryDispatchObject *obj, struct ndarray *arrays[], void *fcn ) {
-	struct ndarray *x1;
 	const int64_t *sh1;
+	struct ndarray *x1;
 	int8_t status;
 	int64_t ndims;
 	int64_t mab1;