Fix JBIG decoder data type.

Signed-off-by: yzrh <yzrh@noema.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/jbig.c b/src/jbig.c
index c3c501b..5b262e6 100644
--- a/src/jbig.c
+++ b/src/jbig.c
@@ -99,7 +99,7 @@ static int _height;
 static int _width_padded;
 
 static int _ret_pos;
-static char *_ret;
+static unsigned char *_ret;
 
 static int _scd_size;
 static unsigned char *_scd;
@@ -304,7 +304,7 @@ strdec_jbig(char **bitmap, int width, int height,
 	memset(*bitmap, 0, _height * _width_padded);
 
 	_ret_pos = 0;
-	_ret = *bitmap;
+	_ret = (unsigned char *) *bitmap;
 
 	_scd_size = jbig_size;
 	_scd = (unsigned char *) jbig;