Allocate a new buffer when retrying

Change-Id: I9bd79f3d4f2c71dd0c487a27b2f2a6252b668ce1
Signed-off-by: Mohamed Abukar <abukar.mohamed@nokia.com>
diff --git a/pkg/xapp/config.go b/pkg/xapp/config.go
index 404a9b9..94e88a1 100755
--- a/pkg/xapp/config.go
+++ b/pkg/xapp/config.go
@@ -99,4 +99,4 @@
 
 func (*Configurator) GetStringMap(key string) map[string]interface{} {
 	return viper.GetStringMap(key)
-}
\ No newline at end of file
+}