Merge commit '46e3936f'

* commit '46e3936f':
  configure: Set __MSVCRT_VERSION__to 0x0700 for MinGW
Merged-by: Clément Bœsch <u@pkh.me>

configure

@@ -5055,6 +5055,8 @@ probe_libc(){
         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
         check_${pfx}cpp_condition _mingw.h "defined(_WIN32_WINNT) && _WIN32_WINNT >= 0x0502" ||
             add_${pfx}cppflags -D_WIN32_WINNT=0x0502
+        check_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700__" &&
+            add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700
         eval test \$${pfx_no_}cc_type = "gcc" &&
             add_${pfx}cppflags -D__printf__=__gnu_printf__
     elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then