[PATCH iproute2] gre/tunnel: Print erspan_index using print_uint()

[Serhey Popovych]

One is missing in JSON output because fprintf()
is used instead of print_uint().

Signed-off-by: Serhey Popovych <serhe.popov...@gmail.com>
---
 ip/link_gre.c  |    3 ++-
 ip/link_gre6.c |    4 +++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/ip/link_gre.c b/ip/link_gre.c
index 896bb19..1e331c8 100644
--- a/ip/link_gre.c
+++ b/ip/link_gre.c
@@ -476,7 +476,8 @@ static void gre_print_opt(struct link_util *lu, FILE *f, 
struct rtattr *tb[])
        if (tb[IFLA_GRE_ERSPAN_INDEX]) {
                __u32 erspan_idx = rta_getattr_u32(tb[IFLA_GRE_ERSPAN_INDEX]);
 
-               fprintf(f, "erspan_index %u ", erspan_idx);
+               print_uint(PRINT_ANY,
+                          "erspan_index", "erspan_index %u ", erspan_idx);
        }
 
        if (tb[IFLA_GRE_ENCAP_TYPE] &&
diff --git a/ip/link_gre6.c b/ip/link_gre6.c
index 7ae4b49..2687a62 100644
--- a/ip/link_gre6.c
+++ b/ip/link_gre6.c
@@ -532,7 +532,9 @@ static void gre_print_opt(struct link_util *lu, FILE *f, 
struct rtattr *tb[])
 
        if (tb[IFLA_GRE_ERSPAN_INDEX]) {
                __u32 erspan_idx = rta_getattr_u32(tb[IFLA_GRE_ERSPAN_INDEX]);
-               fprintf(f, "erspan_index %u ", erspan_idx);
+
+               print_uint(PRINT_ANY,
+                          "erspan_index", "erspan_index %u ", erspan_idx);
        }
 
        if (tb[IFLA_GRE_ENCAP_TYPE] &&
-- 
1.7.10.4