Fix a typo in multiple inclusion guard

diff --git a/source/listener.h b/source/listener.h
index 0876815ce6ecaec3b8e52bac158786a6bf63a4b3..9cc5b7a3124f22fa2d54b4b7368c7e9364978feb 100644 (file)
--- a/source/listener.h
+++ b/source/listener.h
@@ -1,4 +1,4 @@
-#ifndef MSP_AL_LIStENER_H_
+#ifndef MSP_AL_LISTENER_H_
 #define MSP_AL_LISTENER_H_
 
 #include <AL/al.h>