Fixing some sign errors pointed to by travis

diff --git a/src/image_load_djvu.c b/src/image_load_djvu.c
index 61d4efc..f69d0f8 100644 (file)
--- a/src/image_load_djvu.c
+++ b/src/image_load_djvu.c
@@ -60,13 +60,13 @@ static gboolean image_loader_djvu_load(gpointer loader, const guchar *buf, gsize
        gint stride;
        gboolean alpha = FALSE;
        cairo_surface_t *surface;
-       gchar *pixels;
+       guchar *pixels;
 
        ctx = ddjvu_context_create(NULL);
 
        doc = ddjvu_document_create(ctx, NULL, FALSE);
 
-       ddjvu_stream_write(doc, 0, buf, count );
+       ddjvu_stream_write(doc, 0, (char *)buf, count );
        while (!ddjvu_document_decoding_done(doc));
 
        ld->page_total = ddjvu_document_get_pagenum(doc);
@@ -80,7 +80,7 @@ static gboolean image_loader_djvu_load(gpointer loader, const guchar *buf, gsize
        height = ddjvu_page_get_height(page);
        stride = width * 4;
 
-       pixels = (gchar *)g_malloc(height * stride);
+       pixels = (guchar *)g_malloc(height * stride);
 
        prect.x = 0;
        prect.y = 0;
@@ -88,9 +88,9 @@ static gboolean image_loader_djvu_load(gpointer loader, const guchar *buf, gsize
        prect.h = height;
        rrect = prect;
 
-       surface = cairo_image_surface_create_for_data((guchar *)pixels, CAIRO_FORMAT_RGB24, width, height, stride);
+       surface = cairo_image_surface_create_for_data(pixels, CAIRO_FORMAT_RGB24, width, height, stride);
 
-       ddjvu_page_render(page, DDJVU_RENDER_COLOR, &prect, &rrect, fmt, stride, pixels);
+       ddjvu_page_render(page, DDJVU_RENDER_COLOR, &prect, &rrect, fmt, stride, (char *)pixels);
 
        /* FIXME implementation of rotation is not correct */
        GdkPixbuf *tmp1;