merge with crew-stable, again

mercurial/bdiff.c

@@ -80,7 +80,7 b' int splitlines(const char *a, int len, s'
 	h = 0;
 	for (p = a; p < a + len; p++) {
 		/* Leonid Yuriev's hash */
-                h = (h * 1664525) + *p + 1013904223;
+		h = (h * 1664525) + *p + 1013904223;
 
 		if (*p == '\n' || p == plast) {
 			l->h = h;