Fix compilation warning

Fix warning about comparison between signed and unsigned integer in
proto.c by changing idx from int to unsigned int.

Signed-off-by: Jia He <justin.he@arm.com>
Reviewed-by: Felipe Huici <felipe.huici@neclab.eu>

diff --git a/proto.c b/proto.c
index 517f25801766c8899d6421e51b17c2a9d8ccb60c..0127355eca5351d341b0c0b83a648e288f3267be 100644 (file)
--- a/proto.c
+++ b/proto.c
@@ -27,7 +27,7 @@
 
 /* do we really need all these?? */
 
-static int idx;
+static size_t idx;
 static const unsigned char protos[] = {
        "\000ip\0"
        "\001icmp\0"