Fix a debug statement in BufferMapper
diff --git a/libs/ui/BufferMapper.cpp b/libs/ui/BufferMapper.cpp
index 92a9a86..4add8f9 100644
--- a/libs/ui/BufferMapper.cpp
+++ b/libs/ui/BufferMapper.cpp
@@ -65,7 +65,7 @@
 {
     status_t err = mAllocMod->lock(mAllocMod, handle, usage,
             bounds.left, bounds.top, bounds.width(), bounds.height(), vaddr);
-    LOGW_IF(err, "unlock(...) failed %d (%s)", err, strerror(-err));
+    LOGW_IF(err, "lock(...) failed %d (%s)", err, strerror(-err));
     return err;
 }