patch 8.1.2086: missing a few changes for the renamed files

Problem:    Missing a few changes for the renamed files.
Solution:   Rename in a few more places. (Ken Takata)
diff --git a/runtime/doc/gui_w32.txt b/runtime/doc/gui_w32.txt
index d139d52..4065f27 100644
--- a/runtime/doc/gui_w32.txt
+++ b/runtime/doc/gui_w32.txt
@@ -171,14 +171,14 @@
 		path			    {path}\gvim.exe
    HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\vim 5.6
 		DisplayName		    Vim 5.6: Edit with Vim popup menu entry
-		UninstallString		    {path}\uninstal.exe
+		UninstallString		    {path}\uninstall.exe
 
    Replace {path} with the path that leads to the executable.
    Don't type {default}, this is the value for the key itself.
 
 To remove "Edit with Vim" from the popup menu, just remove the registry
-entries mentioned above.  The "uninstal.exe" program can do this for you.  You
-can also use the entry in the Windows standard "Add/Remove Programs" list.
+entries mentioned above.  The "uninstall.exe" program can do this for you.
+You can also use the entry in the Windows standard "Add/Remove Programs" list.
 
 If you notice that this entry overrules other file type associations, set
 those associations again by hand (using Windows Explorer, see above).  This
diff --git a/runtime/doc/usr_90.txt b/runtime/doc/usr_90.txt
index 087de8f..6e6b386 100644
--- a/runtime/doc/usr_90.txt
+++ b/runtime/doc/usr_90.txt
@@ -480,9 +480,9 @@
 be careful.
 
 Else, if you installed Vim with the zip archives, the preferred way is to use
-the "uninstal" program (note the missing l at the end).  You can find it in
-the same directory as the "install" program, e.g., "c:\vim\vim61".  This
-should also work from the usual "install/remove software" page.
+the "uninstall" program.  You can find it in the same directory as the
+"install" program, e.g., "c:\vim\vim61".  This should also work from the usual
+"install/remove software" page.
    However, this only removes the registry entries for Vim.  You have to
 delete the files yourself.  Simply select the directory "vim\vim61" and delete
 it recursively.  There should be no files there that you changed, but you