pointer conversion for libuv build. gen_stats_data.py to generate .cc

src/core/lib/iomgr/pollset_uv.cc

@@ -65,7 +65,7 @@ void dummy_handle_close_cb(uv_handle_t *handle) { gpr_free(handle); }
 
 void grpc_pollset_global_init(void) {
   gpr_mu_init(&grpc_polling_mu);
-  dummy_uv_handle = gpr_malloc(sizeof(uv_timer_t));
+  dummy_uv_handle = (uv_timer_t *)gpr_malloc(sizeof(uv_timer_t));
   uv_timer_init(uv_default_loop(), dummy_uv_handle);
   grpc_pollset_work_run_loop = 1;
 }

tools/codegen/core/gen_stats_data.py

@@ -255,7 +255,7 @@ with open('src/core/lib/debug/stats_data.h', 'w') as H:
   print >>H
   print >>H, "#endif /* GRPC_CORE_LIB_DEBUG_STATS_DATA_H */"
 
-with open('src/core/lib/debug/stats_data.c', 'w') as C:
+with open('src/core/lib/debug/stats_data.cc', 'w') as C:
   # copy-paste copyright notice from this file
   with open(sys.argv[0]) as my_source:
     copyright = []