Minor style change in leb128.odin

core/encoding/varint/leb128.odin

@@ -132,14 +132,12 @@ encode_uleb128 :: proc(buf: []u8, val: u128) -> (size: int, err: Error) {
 	return
 }
 
-@(private)
-SIGN_MASK :: (i128(1) << 121) // sign extend mask
-
 // Encode `val` into `buf` as a signed LEB128 encoded series of bytes.
 // `buf` must be appropriately sized.
 encode_ileb128 :: proc(buf: []u8, val: i128) -> (size: int, err: Error) {
-	val      := val
-	more     := true
+	SIGN_MASK :: i128(1) << 121 // sign extend mask
+
+	val, more := val, true
 
 	for more {
 		size += 1