[geary] Fix Geary.Logging.Flag serialisation

[Michael Gratton <mjog src gnome org>]

commit 52f0817116675fbd5f53a6ebd0c5955431fbaf33
Author: Michael Gratton <mike vee net>
Date:   Sun Aug 25 16:44:30 2019 +1000

    Fix Geary.Logging.Flag serialisation
    
    Add missing serialisation for CONVERSATION and PERIODIC, shorten all
    serialised values to a recognisable abbreviation to reduce verbosity.

 src/engine/api/geary-logging.vala | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)
---
diff --git a/src/engine/api/geary-logging.vala b/src/engine/api/geary-logging.vala
index 6fd0419e..faee162b 100644
--- a/src/engine/api/geary-logging.vala
+++ b/src/engine/api/geary-logging.vala
@@ -68,7 +68,19 @@ public enum Flag {
                 if (buf.len > 0) {
                     buf.append_c('|');
                 }
-                buf.append("REPLAY");
+                buf.append("REP");
+            }
+            if (this.is_any_set(CONVERSATIONS)) {
+                if (buf.len > 0) {
+                    buf.append_c('|');
+                }
+                buf.append("CNV");
+            }
+            if (this.is_any_set(PERIODIC)) {
+                if (buf.len > 0) {
+                    buf.append_c('|');
+                }
+                buf.append("PER");
             }
             if (this.is_any_set(SQL)) {
                 if (buf.len > 0) {
@@ -80,13 +92,13 @@ public enum Flag {
                 if (buf.len > 0) {
                     buf.append_c('|');
                 }
-                buf.append("NORM");
+                buf.append("NRM");
             }
             if (this.is_any_set(DESERIALIZER)) {
                 if (buf.len > 0) {
                     buf.append_c('|');
                 }
-                buf.append("DESER");
+                buf.append("DES");
             }
         }
         return buf.str;