SDL_mixer: autotools: look for wavpackdll.dll if libwavpack*.dll isn't found.

From de77a95512a9f7f922a1f22cbbed23df0fea2bf7 Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Tue, 10 Oct 2023 20:56:50 +0300
Subject: [PATCH] autotools: look for wavpackdll.dll if libwavpack*.dll isn't
 found.

wavpack.com distribution has the dll named this way (I guess MSVC
project builds it that way) and our cmake scripts look for it too,
and so does the configury now..
---
 configure    | 4 ++++
 configure.ac | 3 +++
 2 files changed, 7 insertions(+)

diff --git a/configure b/configure
index f7018f89..6538a7ec 100755
--- a/configure
+++ b/configure
@@ -19522,6 +19522,9 @@ fi
                 ;;
             *-*-cygwin* | *-*-mingw*)
                 wavpack_lib=`find_lib "libwavpack*.dll"`
+                if test x$wavpack_lib = x; then
+                   wavpack_lib=`find_lib wavpackdll.dll`
+                fi
                 ;;
             *)
                 wavpack_lib=`find_lib "libwavpack[0-9]*.so.*"`
@@ -19731,6 +19734,7 @@ done
 
 
 
+
 
 
 ac_config_files="$ac_config_files Makefile SDL2_mixer.spec SDL2_mixer.pc sdl2_mixer-config.cmake sdl2_mixer-config-version.cmake"
diff --git a/configure.ac b/configure.ac
index 6ae47854..863af93b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -987,6 +987,9 @@ if test x$enable_music_wavpack = xyes; then
                 ;;
             *-*-cygwin* | *-*-mingw*)
                 wavpack_lib=[`find_lib "libwavpack*.dll"`]
+                if test x$wavpack_lib = x; then
+                   wavpack_lib=[`find_lib wavpackdll.dll`]
+                fi
                 ;;
             *)
                 wavpack_lib=[`find_lib "libwavpack[0-9]*.so.*"`]