!11867 [MS][LITE][r1.1]fix windows visibility

From: @lx0095
Reviewed-by: @zhanghaibo5,@zhang_xue_tong,@hangangqiang
Signed-off-by: @zhang_xue_tong

include/api/types.h

@@ -22,21 +22,8 @@
 #include <memory>
 #include "include/api/data_type.h"
 
-// refer to https://gcc.gnu.org/wiki/Visibility
-#if defined _WIN32 || defined __CYGWIN__
-#ifdef BUILDING_DLL
-#ifdef __GNUC__
-#define MS_API __attribute__((dllexport))
-#else
-#define MS_API __declspec(dllexport)  // Note: actually gcc seems to also supports this syntax.
-#endif
-#else
-#ifdef __GNUC__
-#define MS_API __attribute__((dllimport))
-#else
-#define MS_API __declspec(dllimport)  // Note: actually gcc seems to also supports this syntax.
-#endif
-#endif
+#ifdef _WIN32
+#define MS_API __declspec(dllexport)
 #else
 #define MS_API __attribute__((visibility("default")))
 #endif

mindspore/lite/include/ms_tensor.h

@@ -25,20 +25,8 @@
 #include "ir/dtype/type_id.h"
 
 #ifndef MS_API
-#if defined _WIN32 || defined __CYGWIN__
-#ifdef BUILDING_DLL
-#ifdef __GNUC__
-#define MS_API __attribute__((dllexport))
-#else
-#define MS_API __declspec(dllexport)  // Note: actually gcc seems to also supports this syntax.
-#endif
-#else
-#ifdef __GNUC__
-#define MS_API __attribute__((dllimport))
-#else
-#define MS_API __declspec(dllimport)  // Note: actually gcc seems to also supports this syntax.
-#endif
-#endif
+#ifdef _WIN32
+#define MS_API __declspec(dllexport)
 #else
 #define MS_API __attribute__((visibility("default")))
 #endif