Add zalloc, convert a bunch of files to use it
diff --git a/src/core/ext/transport/chttp2/client/chttp2_connector.c b/src/core/ext/transport/chttp2/client/chttp2_connector.c
index d0a762a..fc5e17d 100644
--- a/src/core/ext/transport/chttp2/client/chttp2_connector.c
+++ b/src/core/ext/transport/chttp2/client/chttp2_connector.c
@@ -248,8 +248,7 @@
chttp2_connector_connect};
grpc_connector *grpc_chttp2_connector_create() {
- chttp2_connector *c = gpr_malloc(sizeof(*c));
- memset(c, 0, sizeof(*c));
+ chttp2_connector *c = gpr_zalloc(sizeof(*c));
c->base.vtable = &chttp2_connector_vtable;
gpr_mu_init(&c->mu);
gpr_ref_init(&c->refs, 1);