patch 8.0.1285: occasional crash when using a channel

Problem:    Occasional crash when using a channel. (Marek)
Solution:   Decrement reference count later. (closes #2315)

Author: brammool

Filelist

@@ -659,6 +659,7 @@ RT_SCRIPTS =	\
 		runtime/makemenu.vim \
 		runtime/autoload/*.vim \
 		runtime/autoload/README.txt \
+		runtime/autoload/dist/*.vim \
 		runtime/autoload/xml/*.vim \
 		runtime/colors/*.vim \
 		runtime/colors/README.txt \

nsis/gvim.nsi

@@ -268,6 +268,9 @@ Section "Vim executables and runtime files"
 	SetOutPath $0\autoload
 	File ${VIMRT}\autoload\*.*
 
+	SetOutPath $0\autoload\dist
+	File ${VIMRT}\autoload\dist\*.*
+
 	SetOutPath $0\autoload\xml
 	File ${VIMRT}\autoload\xml\*.*