Fix class vs. struct mismatch

Don't refer to classes as structs and view versa -- causes warnings in
clang (in code built with -Werror)

Change-Id: I4d7f461bcf6fe4e43a14ad2f28ee0e0ddea95abc
Signed-off-by: Bernhard Rosenkränzer <Bernhard.Rosenkranzer@linaro.org>
diff --git a/cmds/bootanimation/AudioPlayer.cpp b/cmds/bootanimation/AudioPlayer.cpp
index ec86afb..81fe5f8 100644
--- a/cmds/bootanimation/AudioPlayer.cpp
+++ b/cmds/bootanimation/AudioPlayer.cpp
@@ -193,7 +193,7 @@
     return false;
 }
 
-void AudioPlayer::playFile(struct FileMap* fileMap) {
+void AudioPlayer::playFile(FileMap* fileMap) {
     // stop any currently playing sound
     requestExitAndWait();