core/shared: Add guard to avoid redefine macro (#386)

Signed-off-by: Huang Qi <huangqi3@xiaomi.com>

Co-authored-by: Huang Qi <huangqi3@xiaomi.com>

core/shared/platform/include/platform_common.h

@@ -47,11 +47,21 @@ void BH_FREE(void *ptr);
 #endif
 
 #ifndef __cplusplus
+
+#ifndef true
 #define true 1
+#endif
+
+#ifndef false
 #define false 0
+#endif
+
+#ifndef inline
 #define inline __inline
 #endif
 
+#endif
+
 /* Return the offset of the given field in the given type */
 #ifndef offsetof
 #define offsetof(Type, field) ((size_t)(&((Type *)0)->field))