patch 9.1.0712: tests: missing dependency of Test_gettext_makefile

Problem:  tests: missing dependency of Test_gettext_makefile
Solution: Check that xgettext binary is available, else skip the test
          (James McCoy)

closes: #15612

Signed-off-by: James McCoy <jamessan@jamessan.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/testdir/test_gettext_make.vim b/src/testdir/test_gettext_make.vim
index 1242fa4..860aa2c 100644
--- a/src/testdir/test_gettext_make.vim
+++ b/src/testdir/test_gettext_make.vim
@@ -18,6 +18,7 @@
           \ ..\testdir\test_gettext_makefile_in4.vim" test_gettext.pot')
   else
 " Will it work on macOS?
+    CheckExecutable xgettext
     call system("make -f Makefile PLUGPACKAGE=test_gettext
           \ PO_PLUG_INPUTLIST=\"../testdir/test_gettext_makefile_in1.vim
           \ ../testdir/test_gettext_makefile_in2.vim
diff --git a/src/version.c b/src/version.c
index 9a7a536..1ba85a9 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    712,
+/**/
     711,
 /**/
     710,