Another bulky set of minor changes.
Note addition of gethostbyaddr() and improved repr() for sockets,
renaming of md5.md5() to md5.new(), and fixing of leaks in threads.
diff --git a/Modules/rgbimgmodule.c b/Modules/rgbimgmodule.c
index de888eb..62e9e0b 100644
--- a/Modules/rgbimgmodule.c
+++ b/Modules/rgbimgmodule.c
@@ -270,7 +270,7 @@
     long *starttab, *lengthtab;
     FILE *inf;
     IMAGE image;
-    int y, z, pos, len, tablen;
+    int y, z, tablen;
     int xsize, ysize, zsize;
     int bpp, rle, cur, badorder;
     int rlebuflen;