Undo accidental commenting out of some Python search code

scripting/python_manager.cpp

@@ -106,8 +106,8 @@ wxString PYTHON_MANAGER::FindPythonInterpreter()
 #if defined( __WINDOWS__ )
     wxFileName pythonExe = FindKicadFile( "python.exe" );
 
-    //if( pythonExe.IsFileExecutable() )
-      //  return pythonExe.GetFullPath();
+    if( pythonExe.IsFileExecutable() )
+        return pythonExe.GetFullPath();
 #elif defined( __WXMAC__ )
     wxFileName pythonExe( PATHS::GetOSXKicadDataDir(), wxEmptyString );
     pythonExe.RemoveLastDir();
@@ -127,8 +127,8 @@ wxString PYTHON_MANAGER::FindPythonInterpreter()
     // In case one is forced with cmake
     pythonExe.Assign( wxString::FromUTF8Unchecked( PYTHON_EXECUTABLE ) );
 
-    //if( pythonExe.IsFileExecutable() )
-      //  return pythonExe.GetFullPath();
+    if( pythonExe.IsFileExecutable() )
+        return pythonExe.GetFullPath();
 
     // Fall back on finding any Python in the user's path