File fix-linking-mpg123.patch of Package audacious-plugins

diff -Nur audacious-plugins-4.1/src/mpg123/Makefile new/src/mpg123/Makefile
--- audacious-plugins-4.1/src/mpg123/Makefile	2021-02-02 00:30:38.000000000 +0100
+++ new/src/mpg123/Makefile	2021-06-24 10:55:52.219980740 +0200
@@ -10,5 +10,5 @@
 LD = ${CXX}
 
 CFLAGS += ${PLUGIN_CFLAGS}
-CPPFLAGS += ${PLUGIN_CPPFLAGS} ${MPG123_CFLAGS} -I../..
+CPPFLAGS += ${PLUGIN_CPPFLAGS} ${MPG123_CFLAGS} -DMPG123_ENUM_API -I../..
 LIBS += ${MPG123_LIBS} -laudtag -lm
diff -Nur audacious-plugins-4.1/src/mpg123/meson.build new/src/mpg123/meson.build
--- audacious-plugins-4.1/src/mpg123/meson.build	2021-02-02 00:30:38.000000000 +0100
+++ new/src/mpg123/meson.build	2021-06-24 10:55:27.491807545 +0200
@@ -10,5 +10,6 @@
     include_directories: [src_inc],
     install: true,
     install_dir: input_plugin_dir,
+    cpp_args: '-DMPG123_ENUM_API',
   )
 endif