Fix NSEC compile problem, and properly parse the rev-tree cmd line.

The rev-tree thing just happened to work. It shouldn't have.

read-cache.c

@@ -24,9 +24,9 @@ int cache_match_stat(struct cache_entry *ce, struct stat *st)
 	 * as long as it is in the inode cache you get right nsec
 	 * but after it gets flushed, you get zero nsec.
 	 */
-	if (ce->ce_mtime.nsec != htonl(st->st_mtim.tv_nsec)
+	if (ce->ce_mtime.nsec != htonl(st->st_mtim.tv_nsec))
 		changed |= MTIME_CHANGED;
-	if (ce->ce_ctime.nsec != htonl(st->st_ctim.tv_nsec)
+	if (ce->ce_ctime.nsec != htonl(st->st_ctim.tv_nsec))
 		changed |= CTIME_CHANGED;
 #endif	
 

rev-tree.c

@@ -89,8 +89,7 @@ int main(int argc, char **argv)
 		char *arg = argv[i];
 
 		if (!strcmp(arg, "--cache")) {
-			read_cache_file(argv[2]);
-			i++;
+			read_cache_file(argv[++i]);
 			continue;
 		}