patch 9.0.1580: CI: indent test hangs on FreeBSD

Problem:    CI: indent test hangs on FreeBSD.
Solution:   Set 'nomore' when running the indent tests. (Ozaki Kiichi,
            closes #12446)

runtime/indent/testdir/runtest.vim

@@ -12,6 +12,7 @@ set nowrapscan
 set report=9999
 set modeline
 set debug=throw
+set nomore
 
 au! SwapExists * call HandleSwapExists()
 func HandleSwapExists()

src/version.c

@@ -695,6 +695,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1580,
 /**/
     1579,
 /**/