Added missing comma to data json for delay key (#836)
diff --git a/coders/json.c b/coders/json.c
index 5fdb32c..2a227e7 100644
--- a/coders/json.c
+++ b/coders/json.c
@@ -1425,7 +1425,7 @@
JsonFormatLocaleFile(file," \"dispose\": %s,\n",
CommandOptionToMnemonic(MagickDisposeOptions,(ssize_t) image->dispose));
if (image->delay != 0)
- (void) FormatLocaleFile(file," \"delay\": \"%.20gx%.20g\"\n",
+ (void) FormatLocaleFile(file," \"delay\": \"%.20gx%.20g\",\n",
(double) image->delay,(double) image->ticks_per_second);
if (image->iterations != 1)
(void) FormatLocaleFile(file," \"iterations\": %.20g,\n",(double)