Fix for imap on sparc64 (and probably other 64bits archs), from Andrey Smagin.

mail/sylpheed/patches/patch-src_procmsg_c

@@ -0,0 +1,23 @@
+$OpenBSD: patch-src_procmsg_c,v 1.1 2004/04/12 13:02:35 couderc Exp $
+--- src/procmsg.c.orig	2004-04-12 15:53:19.000000000 +0200
++++ src/procmsg.c	2004-04-12 15:55:34.000000000 +0200
+@@ -127,8 +127,8 @@ GHashTable *procmsg_to_folder_hash_table
+ static gint procmsg_read_cache_data_str(FILE *fp, gchar **str)
+ {
+ 	gchar buf[BUFFSIZE];
+-	gint ret = 0;
+-	size_t len;
++	gint ret = 0,
++	     len;
+ 
+ 	if (fread(&len, sizeof(len), 1, fp) == 1) {
+ 		if (len < 0)
+@@ -137,7 +137,7 @@ static gint procmsg_read_cache_data_str(
+ 			gchar *tmp = NULL;
+ 
+ 			while (len > 0) {
+-				size_t size = MIN(len, BUFFSIZE - 1);
++				gint size = MIN(len, BUFFSIZE - 1);
+ 
+ 				if (fread(buf, size, 1, fp) != 1) {
+ 					ret = -1;