Use lc3plus.h instead of lc3.h to avoid collision

The upstream version of the LC3plus codec is shipped with lc3.h file.
Unfortunately, such file is shipped with the LC3 codec as well. It seems
reasonable to rename the LC3plus codec header file, so it will match the
codec name.

configure.ac

@@ -1,5 +1,5 @@
 # BlueALSA - configure.ac
-# Copyright (c) 2016-2023 Arkadiusz Bokowy
+# Copyright (c) 2016-2024 Arkadiusz Bokowy
 
 AC_PREREQ([2.60])
 AC_INIT([BlueALSA],
@@ -162,7 +162,7 @@ AC_ARG_ENABLE([lc3plus],
 	[AS_HELP_STRING([--enable-lc3plus], [enable LC3plus support])])
 AM_CONDITIONAL([ENABLE_LC3PLUS], [test "x$enable_lc3plus" = "xyes"])
 AM_COND_IF([ENABLE_LC3PLUS], [
-	AC_CHECK_HEADERS([lc3.h],
+	AC_CHECK_HEADERS([lc3plus.h],
 		[], [AC_MSG_ERROR([LC3plus header file not found])])
 	# There is no pkg-config support for LC3plus, so we have to check the library
 	# version manually. We will check for the symbols that are available in the

src/a2dp-lc3plus.c

@@ -25,7 +25,7 @@
 
 #include <glib.h>
 
-#include <lc3.h>
+#include <lc3plus.h>
 
 #include "a2dp.h"
 #include "audio.h"

src/utils.h

@@ -1,6 +1,6 @@
 /*
  * BlueALSA - utils.h
- * Copyright (c) 2016-2023 Arkadiusz Bokowy
+ * Copyright (c) 2016-2024 Arkadiusz Bokowy
  *
  * This file is a part of bluez-alsa.
  *
@@ -46,7 +46,7 @@ const char *aacenc_strerror(AACENC_ERROR err);
 #endif
 
 #if ENABLE_LC3PLUS
-# include <lc3.h>
+# include <lc3plus.h>
 const char *lc3plus_strerror(LC3PLUS_Error err);
 #endif