am 594a8773: am 764c197c: fix typo that broke all the builds

* commit '594a8773c1ef5632a8eb2ef61a86c319460d4248':
  fix typo that broke all the builds
diff --git a/libs/gui/BufferQueue.cpp b/libs/gui/BufferQueue.cpp
index 607e0bd..086e298 100644
--- a/libs/gui/BufferQueue.cpp
+++ b/libs/gui/BufferQueue.cpp
@@ -314,12 +314,9 @@
                      * the consumer may still have pending reads of the
                      * buffers in flight.
                      */
-                    if (found >= 0) {
-                        bool isOlder = mSlots[i].mFrameNumber <
-                                mSlots[found].mFrameNumber;
-                        if (isOlder) {
-                            found = i;
-                        }
+                    if ((found < 0) ||
+                            mSlots[i].mFrameNumber < mSlots[found].mFrameNumber) {
+                        found = i;
                     }
                 }
             }