Fix missing posix functions declaration on Visual Studio build

diff --git a/expat/xmlwf/readfilemap.c b/expat/xmlwf/readfilemap.c
index 3cc4f7618eff0e7db383c27369723d57866f2503..dd7543d8e80718ba896e26e45cc58db91b5adc20 100644 (file)
--- a/expat/xmlwf/readfilemap.c
+++ b/expat/xmlwf/readfilemap.c
@@ -43,6 +43,7 @@
 
 /* Function "read": */
 #if defined(_MSC_VER)
+# include <io.h>
   /* https://msdn.microsoft.com/en-us/library/wyssk1bs(v=vs.100).aspx */
 # define _EXPAT_read          _read
 # define _EXPAT_read_count_t  int