patch 8.0.1180: MS-Windows testclean target deletes the color script

Problem:    MS-Windows testclean target deletes the color script.
Solution:   Rename the script file.

Author: brammool

src/testdir/xterm_ramp.vim src/testdir/color_ramp.vimsrc/testdir/xterm_ramp.vim renamed to src/testdir/color_ramp.vim

@@ -761,6 +761,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1180,
 /**/
     1179,
 /**/