[vala/0.36: 73/212] libgvc: Add missing PrintfFormat annotations

[Rico Tzschichholz <ricotz src gnome org>]

commit e5eca1232088ea9d6bd18850181e381b390b56df
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Fri Oct 6 08:57:22 2017 +0200

    libgvc: Add missing PrintfFormat annotations

 vapi/libgvc.vapi |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/vapi/libgvc.vapi b/vapi/libgvc.vapi
index 43b38aa..75ca714 100644
--- a/vapi/libgvc.vapi
+++ b/vapi/libgvc.vapi
@@ -184,6 +184,7 @@ namespace Gvc {
                public static ErrorLevel errno;
 
                [CCode (cname = "agerr")]
+               [PrintfFormat]
                public static int error (ErrorLevel level, string fmt, ...);
 
                [CCode (cname = "agerrors")]
@@ -196,9 +197,11 @@ namespace Gvc {
                public static string? last_error ();
 
                [CCode (cname = "agerrorf")]
+               [PrintfFormat]
                public static void errorf (string format, ...);
 
                [CCode (cname = "agwarningf")]
+               [PrintfFormat]
                void warningf (string fmt, ...);
        }