Fix typo.

Change-Id: I2d7796425ea746432964ce48959b6c227d31df11
diff --git a/media/libstagefright/httplive/LiveSession.cpp b/media/libstagefright/httplive/LiveSession.cpp
index 9e63c41..5979be6 100644
--- a/media/libstagefright/httplive/LiveSession.cpp
+++ b/media/libstagefright/httplive/LiveSession.cpp
@@ -229,7 +229,7 @@
                 bufferRemaining);
 
         if (n < 0) {
-            return err;
+            return n;
         }
 
         if (n == 0) {