Bug#51023: Mysql server crashes on SIGHUP and destroys InnoDB files

WIN32 compilation fixes: define ETIMEDOUT only if not available and
fix typos and add a missing parameter.

include/my_pthread.h

@@ -126,7 +126,9 @@ struct tm *gmtime_r(const time_t *timep,struct tm *tmp);
 
 void pthread_exit(void *a);	 /* was #define pthread_exit(A) ExitThread(A)*/
 
-#define ETIMEDOUT 145		    /* Win32 doesn't have this */
+#ifndef ETIMEDOUT
+#define ETIMEDOUT 145		    /* Win32 might not have this */
+#endif
 #define getpid() GetCurrentThreadId()
 #define HAVE_LOCALTIME_R		1
 #define _REENTRANT			1

mysys/my_fopen.c

@@ -103,17 +103,17 @@ FILE *my_fopen(const char *filename, int flags, myf MyFlags)
 
 #if defined(_WIN32)
 
-static FILE *my_win_freopen(const char *path, FILE *stream)
+static FILE *my_win_freopen(const char *path, const char *mode, FILE *stream)
 {
   int handle_fd, fd= _fileno(stream);
   HANDLE osfh;
 
-  DBUG_ASSERT(filename && stream);
+  DBUG_ASSERT(path && stream);
 
   /* Services don't have stdout/stderr on Windows, so _fileno returns -1. */
   if (fd < 0)
   {
-    if (!freopen(filename, mode, stream))
+    if (!freopen(path, mode, stream))
       return NULL;
 
     fd= _fileno(stream);