patch 9.0.0019: timers test not run where possible

Problem:    Timers test not run where possible.
Solution:   Adjust platform checks. (closes #10645)
diff --git a/src/testdir/test_timers.vim b/src/testdir/test_timers.vim
index 84fe05e..7a5cc29 100644
--- a/src/testdir/test_timers.vim
+++ b/src/testdir/test_timers.vim
@@ -298,8 +298,9 @@
 endfunc
 
 func Test_timer_peek_and_get_char()
-  CheckUnix
-  CheckGui
+  if !has('unix') && !has('gui_running')
+    throw 'Skipped: cannot feed low-level input'
+  endif
 
   call timer_start(0, 'FeedAndPeek')
   let intr = timer_start(100, 'Interrupt')
@@ -310,7 +311,7 @@
 
 func Test_timer_getchar_zero()
   if has('win32') && !has('gui_running')
-    throw 'Skipped: cannot get low-level input'
+    throw 'Skipped: cannot feed low-level input'
   endif
   CheckFunction reltimefloat
 
diff --git a/src/version.c b/src/version.c
index 6415b59..42e9135 100644
--- a/src/version.c
+++ b/src/version.c
@@ -736,6 +736,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    19,
+/**/
     18,
 /**/
     17,