json2c: Fix a fatal warning

At the end, the case is never reached because
json_object_to_json_string_ext only produces
valid JSON strings and a string terminated by
'\' isn't a valid JSON string.

Change-Id: I58a6dc4d9c014487ff2dc85f7eb3dbf33ffea6b1
Signed-off-by: José Bollo <jose.bollo@iot.bzh>

1 files changed, 3 insertions, 3 deletions

diff --git a/src/devtools/json2c.c b/src/devtools/json2c.c
index 1bc20b0c..9bb9e9bf 100644
--- a/src/devtools/json2c.c
+++ b/src/devtools/json2c.c
@@ -81,13 +81,13 @@ char *make_desc(struct json_object *o)
 		}
 		else if (c == '\\') {
 			switch ((c = *b++)) {
-			case 0:
-				b--;
-				break;
 			case '/':
 				buf[0] = '/';
 				buf[1] = 0;
 				break;
+			case 0:
+				b--;
+				/*@fallthrough@*/
 			default:
 				buf[0] = '\\';
 				buf[1] = c;