mksquashfs: update date

Signed-off-by: Phillip Lougher <phillip@squashfs.org.uk>
diff --git a/squashfs-tools/mksquashfs.c b/squashfs-tools/mksquashfs.c
index 7b75e2f..14b2df8 100644
--- a/squashfs-tools/mksquashfs.c
+++ b/squashfs-tools/mksquashfs.c
@@ -4823,7 +4823,7 @@
 
 
 #define VERSION() \
-	printf("mksquashfs version 4.2-git (2014/04/16)\n");\
+	printf("mksquashfs version 4.2-git (2014/04/20)\n");\
 	printf("copyright (C) 2014 Phillip Lougher "\
 		"<phillip@squashfs.org.uk>\n\n"); \
 	printf("This program is free software; you can redistribute it and/or"\