patch 8.0.1341: 'imactivatefunc' test fails on MS-Windows

Problem:    'imactivatefunc' test fails on MS-Windows.
Solution:   Skip the text.

src/testdir/test_iminsert.vim

@@ -17,6 +17,9 @@ func IM_statusfunc()
 endfunc
 
 func Test_iminsert2()
+  if has('gui_win32')
+    return
+  endif
   set imactivatefunc=IM_activatefunc
   set imstatusfunc=IM_statusfunc
   set iminsert=2

src/version.c

@@ -771,6 +771,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1341,
 /**/
     1340,
 /**/