Add some missing MSVC compatibility defines

src/msvc-compat.h

@@ -12,14 +12,17 @@
 # define stat _stat64
 # define fstat _fstat64
 
-#define _S_IFLNK 0120000
-
 /* stat: file mode type testing macros */
+# define _S_IFLNK 0120000
+# define S_IFLNK _S_IFLNK
+
 # define S_ISDIR(m)   (((m) & _S_IFMT) == _S_IFDIR)
 # define S_ISREG(m)   (((m) & _S_IFMT) == _S_IFREG)
 # define S_ISFIFO(m)  (((m) & _S_IFMT) == _S_IFIFO)
 # define S_ISLNK(m)  (((m) & _S_IFMT) == _S_IFLNK)
 
+# define MAXPATHLEN MAX_PATH
+
 /* case-insensitive string comparison */
 # define strcasecmp   _stricmp
 # define strncasecmp  _strnicmp