patch 9.0.1406: ILE RPG files are not recognized

Problem:    ILE RPG files are not recognized.
Solution:   Add patterns for ILE RPG files. (Andreas Louv, issue #12152)

runtime/filetype.vim

@@ -1732,6 +1732,9 @@ au BufNewFile,BufRead *.rnc			setf rnc
 " Relax NG XML
 au BufNewFile,BufRead *.rng			setf rng
 
+" ILE RPG
+au BufNewFile,BufRead *.rpgle,*.rpgleinc	setf rpgle
+
 " RPL/2
 au BufNewFile,BufRead *.rpl			setf rpl
 

src/testdir/test_filetype.vim

@@ -494,6 +494,7 @@ let s:filename_checks = {
     \ 'rnc': ['file.rnc'],
     \ 'rng': ['file.rng'],
     \ 'rnoweb': ['file.rnw', 'file.snw'],
+    \ 'rpgle': ['file.rpgle', 'file.rpgleinc'],
     \ 'robot': ['file.robot', 'file.resource'],
     \ 'robots': ['robots.txt'],
     \ 'ron': ['file.ron'],

src/version.c

@@ -695,6 +695,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1406,
 /**/
     1405,
 /**/