closedcaption: fix build error in OSX

Fixes the following error.

gstccconverter.c:677:7: error: variable 'len' is used uninitialized whenever 'if' condition is false
      [-Werror,-Wsometimes-uninitialized]
  if (flags & 0x40) {
      ^~~~~~~~~~~~
gstccconverter.c:698:10: note: uninitialized use occurs here
  return len;
         ^~~
gstccconverter.c:677:3: note: remove the 'if' if its condition is always true
  if (flags & 0x40) {
  ^~~~~~~~~~~~~~~~~~
gstccconverter.c:572:12: note: initialize the variable 'len' to silence this warning
  guint len;
           ^
            = 0

diff --git a/ext/closedcaption/gstccconverter.c b/ext/closedcaption/gstccconverter.c
index 86bf9d8..7ac46c0 100644 (file)
--- a/ext/closedcaption/gstccconverter.c
+++ b/ext/closedcaption/gstccconverter.c
@@ -569,7 +569,7 @@ convert_cea708_cdp_cea708_cc_data_internal (GstCCConverter * self,
   guint8 u8;
   guint8 flags;
   gint fps_n, fps_d;
-  guint len;
+  guint len = 0;
 
   memset (tc, 0, sizeof (*tc));