Don't install with executable rights

Author: matze

Makefile

@@ -1,7 +1,7 @@
 PLUGIN_DIR=$(if $(XDG_CONFIG_HOME),$(XDG_CONFIG_HOME),$(HOME)/.config)/ranger/plugins
 
 install:
-	install -D annex.py $(PLUGIN_DIR)/annex.py
+	install -Dm644 annex.py $(PLUGIN_DIR)/annex.py
 
 uninstall:
 	$(RM) $(PLUGIN_DIR)/annex.py