[gtksourceview: 3/3] BufferInputStream: fix warnings

[Sébastien Wilmet <swilmet src gnome org>]

commit 02d2b15699558db412f5761eb14d8dc6f47251da
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sun Aug 9 18:50:19 2015 +0200

    BufferInputStream: fix warnings

 gtksourceview/gtksourcebufferinputstream.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gtksourceview/gtksourcebufferinputstream.c b/gtksourceview/gtksourcebufferinputstream.c
index 7c866db..b7522a6 100644
--- a/gtksourceview/gtksourcebufferinputstream.c
+++ b/gtksourceview/gtksourcebufferinputstream.c
@@ -164,14 +164,14 @@ read_line (GtkSourceBufferInputStream *stream,
                gchar *ptr;
                gint char_offset;
                gint written;
-               gsize to_write;
+               glong to_write;
 
                /* Here the line does not fit in the buffer, we thus write
                   the amount of bytes we can still fit, storing the position
                   for the next read with the mark. Do not try to write the
                   new newline in this case, it will be handled in the next
                   iteration */
-               to_write = MIN (space_left, bytes);
+               to_write = MIN ((glong)space_left, bytes);
                ptr = buf;
                written = 0;
                char_offset = 0;