Assorted bugfixes:

- RLE decompression boundary case
- SSL 2.0 key arg length check

Submitted by: Google (Neel Mehta, Bodo Moeller)

crypto/comp/c_rle.c

@@ -46,7 +46,7 @@ static int rle_expand_block(COMP_CTX *ctx, unsigned char *out,
 	{
 	int i;
 
-	if (olen < (ilen-1))
+	if (ilen == 0 || olen < (ilen-1))
 		{
 		/* ZZZZZZZZZZZZZZZZZZZZZZ */
 		return(-1);
@@ -59,4 +59,3 @@ static int rle_expand_block(COMP_CTX *ctx, unsigned char *out,
 		}
 	return(ilen-1);
 	}
-