bass 4 mac uses .so files, not .dylib

AO2XP.py

@@ -5,9 +5,7 @@ app = QtGui.QApplication(sys.argv)
 
 osname = platform.system()
 bassdll = "bass.dll"
-if osname == "Darwin":
-    bassdll = "libbass.dylib"
-elif osname == "Linux":
+if osname != "Windows":
     bassdll = "libbass.so"
 
 debugmode = len(sys.argv) > 1 and sys.argv[1] == "debug"

quicksetup.py

@@ -70,6 +70,10 @@ zip_ref = zipfile.ZipFile(BASSOPUSZIP, 'r')
 zip_ref.extract(BASSOPUSDLL)
 zip_ref.close()
 
+if platform.system() == "Darwin":
+    os.rename(BASSDLL, "libbass.so")
+    os.rename(BASSOPUSDLL, "libbassopus.so")
+
 print "installing apng"
 pip_install("apng")