Fix GCC < v7 warning on maybe unitialized variable

Initialization done under a switch case statement within a "for"
loop which throw warning with GCC v6.

Change-Id: I47b51598cc68943bab6f98bd87b7ba6f40caeafc
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>

1 files changed, 2 insertions, 2 deletions

diff --git a/wrap-json.c b/wrap-json.c
index e87035e..46a4d67 100644
--- a/wrap-json.c
+++ b/wrap-json.c
@@ -103,8 +103,8 @@ static int encode_base64(
 		int pad,
 		int url)
 {
-	uint16_t u16;
-	uint8_t u8;
+	uint16_t u16 = 0;
+	uint8_t u8 = 0;
 	size_t in, out, rlen, n3, r3, iout, nout;
 	int iw;
 	char *result, c;