windows missing winsock and bcrypt linker flags in the test executable

Author: Gioee

Makefile

@@ -50,6 +50,7 @@ COV_FILES = $(filter-out $(SRC_DIR)/lz4.c $(SRC_DIR)/network.c, $(SRC_FILES))
 ifeq ($(PLATFORM),windows)
     TARGET := $(DIST_DIR)/cloudsync.dll
     LDFLAGS += -shared -lbcrypt -lcrypt32 -lsecur32 -lws2_32
+    TEST_FLAGS += -lws2_32 -lbcrypt
     # Create .def file for Windows
     DEF_FILE := $(BUILD_RELEASE)/cloudsync.def
     CFLAGS += -DCURL_STATICLIB