patch 7.4.1245
Problem:    File missing from distribution.
Solution:   Add json_test.c.
diff --git a/Filelist b/Filelist
index 89fd059..b7fb61b 100644
--- a/Filelist
+++ b/Filelist
@@ -41,6 +41,7 @@
 		src/hardcopy.c \
 		src/hashtab.c \
 		src/json.c \
+		src/json_test.c \
 		src/keymap.h \
 		src/macros.h \
 		src/main.c \