poke jrandom's eyes into the semantic of an "else" clause

(you may remove both comments when you understood it)

[mihi]

apps/ministreaming/java/src/net/i2p/client/streaming/I2PSocketImpl.java

@@ -378,6 +378,9 @@ class I2PSocketImpl implements I2PSocket {
                 // but perhaps there's something funky in the stream's operation,
                 // or some other dependency within the rest of the ministreaming
                 // lib, so for the moment, return false.  --jr
+                // --
+                // hehe, look at the else. This case is only used iff len == -1
+                // and bcsize == 0 (i.e. there is an EOF)  --mihi
                 return false;
             }
             if ((bcsize < MAX_PACKET_SIZE) && (in.available() == 0)) {