AP_Filesystem: avoid some warnings in AP_Scripting

libraries/AP_Filesystem/posix_compat.h

@@ -49,6 +49,8 @@ int apfs_feof(APFS_FILE *stream);
 long apfs_ftell(APFS_FILE *stream);
 APFS_FILE *apfs_freopen(const char *pathname, const char *mode, APFS_FILE *stream);
 int apfs_remove(const char *pathname);
+int apfs_rename(const char *oldpath, const char *newpath);
+char *tmpnam(char *s);
 
 #undef stdin
 #undef stdout
@@ -87,6 +89,7 @@ int apfs_remove(const char *pathname);
 #define ftell(stream) apfs_ftell(stream)
 #define freopen(pathname, mode, stream) apfs_freopen(pathname, mode, stream)
 #define remove(pathname) apfs_remove(pathname)
+#define rename(oldpath, newpath) apfs_rename(oldpath, newpath)
 #if !defined(__APPLE__)
 int sprintf(char *str, const char *format, ...);
 #endif