[VCRUNTIME][CRT] Change WCHAR_MIN/WCHAR_MAX to match native headers

This avoids conflicting definitions with MS CRT headers.

Author: tkreuzer

sdk/include/crt/wchar.h

@@ -25,10 +25,10 @@ extern "C" {
 #endif
 
 #ifndef WCHAR_MIN
-#define WCHAR_MIN 0
+#define WCHAR_MIN 0x0000
 #endif
 #ifndef WCHAR_MAX
-#define WCHAR_MAX ((wchar_t)-1) /* UINT16_MAX */
+#define WCHAR_MAX 0xffff /* UINT16_MAX */
 #endif
 
 #ifndef WEOF

sdk/include/vcruntime/stdint.h

@@ -158,10 +158,10 @@ __MINGW_EXTENSION typedef unsigned long long   uintmax_t;
 #endif
 
 #ifndef WCHAR_MIN  /* also in wchar.h */
-#define WCHAR_MIN 0
+#define WCHAR_MIN 0x0000
 #endif
 #ifndef WCHAR_MAX
-#define WCHAR_MAX ((wchar_t)-1) /* UINT16_MAX */
+#define WCHAR_MAX 0xffff /* UINT16_MAX */
 #endif
 
 /*