patch 8.1.0371: argument types for select() may be wrong

Problem:    Argument types for select() may be wrong.
Solution:   Use a configure macro. (Tobias Ulmer)
diff --git a/src/configure.ac b/src/configure.ac
index 8994f3c..9f17b9c 100644
--- a/src/configure.ac
+++ b/src/configure.ac
@@ -3721,6 +3721,7 @@
 	sigprocmask sigvec strcasecmp strerror strftime stricmp strncasecmp \
 	strnicmp strpbrk strtol tgetent towlower towupper iswupper \
 	usleep utime utimes mblen ftruncate unsetenv)
+AC_FUNC_SELECT_ARGTYPES
 AC_FUNC_FSEEKO
 
 dnl define _LARGE_FILES, _FILE_OFFSET_BITS and _LARGEFILE_SOURCE when