(ssize_t, pid_t) [_WIN32]: Move from misc.h to POSIX's location

in unistd.h.

include/misc.h

@@ -41,14 +41,11 @@
 #ifdef _WIN32
 #ifndef __GNUC__
 
-typedef long ssize_t;
-
 /* integral mismatch, due to misuse of sector short */
 #pragma warning (disable : 4761 )
 
 #define strncasecmp(s1, s2, s3) _strnicmp((s1), (s2), (s3))
 
-typedef int pid_t;
 #define vsnprintf _vsnprintf
 #define snprintf _snprintf
 

src/lib/w32/unistd.h

@@ -38,6 +38,9 @@
 #include "getopt.h"
 #include <sys/stat.h>
 
+typedef long ssize_t;
+typedef int pid_t;
+
 /*
  * posixfile.c
  */