patch 9.0.2071: objdump files not recognized

Problem:  objdump files not recognized
Solution: detect *.objdump files, add a filetype plugin

Added the objdump file/text format

closes: #13425

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Colin Kennedy <colinvfx@gmail.com>
diff --git a/src/testdir/test_filetype.vim b/src/testdir/test_filetype.vim
index 1df8237..30c3a1a 100644
--- a/src/testdir/test_filetype.vim
+++ b/src/testdir/test_filetype.vim
@@ -495,6 +495,7 @@
     nsis: ['file.nsi', 'file.nsh'],
     nu: ['env.nu', 'config.nu'],
     obj: ['file.obj'],
+    objdump: ['file.objdump', 'file.cppobjdump'],
     obse: ['file.obl', 'file.obse', 'file.oblivion', 'file.obscript'],
     ocaml: ['file.ml', 'file.mli', 'file.mll', 'file.mly', '.ocamlinit', 'file.mlt', 'file.mlp', 'file.mlip', 'file.mli.cppo', 'file.ml.cppo'],
     occam: ['file.occ'],
diff --git a/src/version.c b/src/version.c
index 2bcdfc9..dc630b8 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2071,
+/**/
     2070,
 /**/
     2069,