[dist] Fix Recipe.clean_build for Recipe

Author: opacam

pythonforandroid/recipe.py

@@ -619,7 +619,9 @@ def clean_build(self, arch=None):
 
         '''
         if arch is None:
-            base_dir = join(self.ctx.build_dir, 'other_builds', self.name)
+            base_dir = join(
+                self.ctx.build_dir, 'other_builds', self.get_dir_name()
+            )
         else:
             base_dir = self.get_build_container_dir(arch)
         dirs = glob.glob(base_dir + '-*')