Unbreak the build on ppc32

Signed-off-by: malc <av1474@comtv.ru>

diff --git a/coroutine-ucontext.c b/coroutine-ucontext.c
index 41c2379a2a5558900a1937aa7ee3ccebd85386d8..42dc3e2cf672f36a43a1aa15e9b1a29144f75921 100644 (file)
--- a/coroutine-ucontext.c
+++ b/coroutine-ucontext.c
@@ -133,7 +133,7 @@ static Coroutine *coroutine_new(void)
     CoroutineUContext *co;
     ucontext_t old_uc, uc;
     jmp_buf old_env;
-    union cc_arg arg;
+    union cc_arg arg = {0};
 
     /* The ucontext functions preserve signal masks which incurs a system call
      * overhead.  setjmp()/longjmp() does not preserve signal masks but only