[vala/0.50] glib-2.0: Add return codes to FileStream.putc/puts(), like posix

[Rico Tzschichholz <ricotz src gnome org>]

commit 64fe4144c96b0e24ff101f6f030df80299928a72
Author: Reuben Thomas <rrt sc3d org>
Date:   Wed Oct 21 21:59:41 2020 +0200

    glib-2.0: Add return codes to FileStream.putc/puts(), like posix
    
    The corresponding C functions return a status code; make the GLib types
    the same as the Posix types.
    
    This gives these functions the correct type signature for use where a
    putc-like function is required.

 vapi/glib-2.0.vapi | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/vapi/glib-2.0.vapi b/vapi/glib-2.0.vapi
index ec15fef92..d024eb294 100644
--- a/vapi/glib-2.0.vapi
+++ b/vapi/glib-2.0.vapi
@@ -3800,9 +3800,9 @@ namespace GLib {
                [CCode (cname = "vfprintf")]
                public void vprintf (string format, va_list args);
                [CCode (cname = "fputc", instance_pos = -1)]
-               public void putc (char c);
+               public int putc (char c);
                [CCode (cname = "fputs", instance_pos = -1)]
-               public void puts (string s);
+               public int puts (string s);
                [CCode (cname = "fgetc")]
                public int getc ();
                [CCode (cname = "ungetc", instance_pos = -1)]