fix

.travis.yml

@@ -55,7 +55,10 @@ before_install:
 - curl --retry 5 --connect-timeout 30 --location --remote-header-name --remote-name http://www.ambiera.at/downloads/irrKlang-64bit-1.5.0.zip
 - unzip -q irrKlang-64bit-1.5.0.zip
 - mv -f irrKlang-64bit-1.5.0 irrklang
-- mv -f irrklang/plugins/ikpMP3 ikpmp3
+- mv -f irrklang/plugins/ikpMP3 ./ikpmp3
+- cd ikpmp3
+- curl --location --retry 5 https://github.com/mercury233/ygopro/raw/test/premake/ikpmp3/ikpmp3.patch | patch -p1
+- cd ..
 - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
     mv -f irrklang/bin/macosx-gcc/libirrklang.dylib irrklang/bin/macosx-gcc/libirrKlang.dylib;
     sudo cp -rf irrklang/bin/macosx-gcc/libirrKlang.dylib /usr/local/lib/;