zlib: include zlib.h when using crc32()

diff --git a/vapi/zlib.vapi b/vapi/zlib.vapi
index 1dd5ac688d47d01175da5de74801f6c68f17f9b1..53f10a0e59668167eca0957fa72831de53f0d8db 100644 (file)
--- a/vapi/zlib.vapi
+++ b/vapi/zlib.vapi
@@ -141,15 +141,15 @@ namespace ZLib {
                public int prime (int bits, int value);
                public int get_header (out GZHeader head);
        }
-       [CCode (lower_case_cprefix = "")]
+       [CCode (lower_case_cprefix = "", cheader_filename = "zlib.h")]
        namespace Utility {
                [CCode (cname = "compress2")]
                public static int compress ([CCode (array_length = false)] uchar[] dest, ref ulong dest_length, [CCode (array_length_type = "gulong")] uchar[] source, int level = Level.DEFAULT_COMPRESSION);
                [CCode (cname = "compressBound")]
                public static int compress_bound (ulong sourceLen);
                public static int uncompress ([CCode (array_length = false)] uchar[] dest, ref ulong dest_length, [CCode (array_length_type = "gulong")] uchar[] source);
-               public static ulong adler32 (ulong crc = 0, [CCode (array_length_type = "guint")] uint8[]? buf = null);
-               public static ulong crc32 (ulong crc = 0, [CCode (array_length_type = "guint")] uint8[]? buf = null);
+               public static ulong adler32 (ulong crc = 0UL, [CCode (array_length_type = "guint")] uint8[]? buf = null);
+               public static ulong crc32 (ulong crc = 0UL, [CCode (array_length_type = "guint")] uint8[]? buf = null);
        }
        [CCode (cname = "gz_header")]
        public struct GZHeader {