crt: Avoid warnings about ucrt _scprintf/_snprintf/_snscanf missing a prototype Signed-off-by: Martin Storsjö <martin@martin.st>

diff --git a/mingw-w64-crt/stdio/ucrt__scprintf.c b/mingw-w64-crt/stdio/ucrt__scprintf.c
index 285d320..bae7d60 100644
--- a/mingw-w64-crt/stdio/ucrt__scprintf.c
+++ b/mingw-w64-crt/stdio/ucrt__scprintf.c

@@ -6,10 +6,8 @@
 
 #undef __MSVCRT_VERSION__
 #define _UCRT
-#define _scprintf real__scprintf
 #include <stdio.h>
 #include <stdarg.h>
-#undef _scprintf
 
 int __cdecl _scprintf(const char * __restrict__ _Format, ...)
 {

diff --git a/mingw-w64-crt/stdio/ucrt__snprintf.c b/mingw-w64-crt/stdio/ucrt__snprintf.c
index 9a43846..8aec326 100644
--- a/mingw-w64-crt/stdio/ucrt__snprintf.c
+++ b/mingw-w64-crt/stdio/ucrt__snprintf.c

@@ -6,10 +6,8 @@
 
 #undef __MSVCRT_VERSION__
 #define _UCRT
-#define _snprintf real__snprintf
 #include <stdio.h>
 #include <stdarg.h>
-#undef _snprintf
 
 int __cdecl _snprintf(char * __restrict__ _Dest, size_t _Count, const char * __restrict__ _Format, ...)
 {

diff --git a/mingw-w64-crt/stdio/ucrt__snscanf.c b/mingw-w64-crt/stdio/ucrt__snscanf.c
index 43c64ef..341b0e5 100644
--- a/mingw-w64-crt/stdio/ucrt__snscanf.c
+++ b/mingw-w64-crt/stdio/ucrt__snscanf.c

@@ -6,10 +6,8 @@
 
 #undef __MSVCRT_VERSION__
 #define _UCRT
-#define _snscanf real__snscanf
 #include <stdio.h>
 #include <stdarg.h>
-#undef _snscanf
 
 int __cdecl _snscanf(const char * __restrict__ _Src, size_t _MaxCount, const char * __restrict__ _Format, ...)
 {