fix compile error
diff --git a/src/libFLAC/format.c b/src/libFLAC/format.c
index 3fee5f4..4284f4f 100644
--- a/src/libFLAC/format.c
+++ b/src/libFLAC/format.c
@@ -66,7 +66,7 @@
 const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN = 4; /* bits */
 const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_RAW_LEN = 5; /* bits */
 
-const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER = (1<<FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN)-1;
+const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER = 15; /* == (1<<FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN)-1 */
 
 const char *FLAC__EntropyCodingMethodTypeString[] = {
 	"PARTITIONED_RICE"