put lib dir discovery in central location.

src/claudia_launcher.py

@@ -120,11 +120,8 @@ class ClaudiaLauncher(QWidget, ui_claudia_launcher.Ui_ClaudiaLauncherW):
         self._parent   = None
         self._settings = None
         self.m_ladish_only = False
-        if os.path.isdir("/usr/lib64"):
-            self.lib_path = "lib64"
-        else:
-            self.lib_path = "lib"
-        self.listDAW.setColumnWidth(0, 22)
+        self.lib_path = LIB_PATH
+        fself.listDAW.setColumnWidth(0, 22)
         self.listDAW.setColumnWidth(1, 225)
         self.listDAW.setColumnWidth(2, 150)
         self.listHost.setColumnWidth(0, 22)

src/shared.py

@@ -143,6 +143,13 @@ if PATH is None:
 else:
     PATH = PATH.split(os.pathsep)
 
+# ------------------------------------------------------------------------------------------------------------
+# Set PATH
+
+LIB_PATH = "lib"
+if os.path.isdir("/usr/lib64"):
+    LIB_PATH = "lib64"
+
 # ------------------------------------------------------------------------------------------------------------
 # Remove/convert non-ascii chars from a string