patch 7.4.1675
Problem:    The swapmous plugin has to be copied or sourced to be used.
Solution:   Turn it into the swapmouse package.
diff --git a/Filelist b/Filelist
index b64658e..65ebe4c 100644
--- a/Filelist
+++ b/Filelist
@@ -531,6 +531,7 @@
 		runtime/pack/dist/opt/matchit/plugin/matchit.vim \
 		runtime/pack/dist/opt/matchit/doc/matchit.txt \
 		runtime/pack/dist/opt/matchit/doc/tags \
+		runtime/pack/dist/opt/swapmouse/plugin/swapmouse.vim \
 
 # runtime files for all distributions without CR-NL translation
 RT_ALL_BIN =	\