[geary/wip/logging-output-fixes: 1/2] Fix tuncated formatting of extended Geary.Logging calls

[Michael Gratton <mjog src gnome org>]

commit 90d7d69c577dfe40fa2393054fe36407322f44c9
Author: Michael Gratton <mike vee net>
Date:   Sat Aug 10 11:55:56 2019 +1000

    Fix tuncated formatting of extended Geary.Logging calls

 src/engine/api/geary-logging.vala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/engine/api/geary-logging.vala b/src/engine/api/geary-logging.vala
index f3fbb244..e693e810 100644
--- a/src/engine/api/geary-logging.vala
+++ b/src/engine/api/geary-logging.vala
@@ -260,7 +260,7 @@ public class Record {
         );
 
         if (flags != NONE && flags != ALL) {
-            str.printf("[%s]: ", flags.to_string());
+            str.append_printf("[%s]: ", flags.to_string());
         } else {
             str.append(": ");
         }