mailmap: Fix Reimar Döffinger name

This probably happened when interpreting the utf8 name as latin1.

Fixes dbbaaff6867 and f4e94dfefb6.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
diff --git a/.mailmap b/.mailmap
index 2c2b9b1..6f2ff22 100644
--- a/.mailmap
+++ b/.mailmap
@@ -33,5 +33,6 @@
 
 
 # Also list preferred name forms where people have changed their
-# git author config
+# git author config, or having utf8/latin1 encoding issues.
 Daniel P. Berrangé <berrange@redhat.com>
+Reimar Döffinger <Reimar.Doeffinger@gmx.de>