patch 7.4.978

Problem:    test_cdo fails when using another language than English.
Solution:   Set the language to C. (Dominique Pelle)

src/testdir/test_cdo.in

@@ -2,6 +2,7 @@ Tests for the :cdo, :cfdo, :ldo and :lfdo commands
 
 STARTTEST
 :so small.vim
+:lang mess C
 :if !has('quickfix') | e! test.ok | wq! test.out | endif
 
 :call writefile(["Line1", "Line2", "Line3"], 'Xtestfile1')

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    978,
 /**/
     977,
 /**/