stdlib: Add common bsd mkstemps function

Change-Id: I8c54f4b42e8b41f9a769b8b53f074a307b1a054c

headers/compatibility/bsd/stdlib.h

@@ -20,6 +20,8 @@ int			daemon(int noChangeDir, int noClose);
 const char	*getprogname(void);
 void		setprogname(const char *programName);
 
+int			mkstemps(char *templat, int slen);
+
 #ifdef __cplusplus
 }
 #endif

src/system/libroot/posix/stdlib/mktemp.c

@@ -51,14 +51,12 @@ static int _gettemp(char *, int *, int, int);
 static const char padchar[] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 
 
-#if 0
 int
 mkstemps(char *path, int slen)
 {
 	int fd;
 	return _gettemp(path, &fd, 0, slen) ? fd : -1;
 }
-#endif
 
 
 int