patch 7.4.957

Problem:    Test_tagcase fails when using another language than English.
Solution:   Set the messages language to C. (Kenichi Ito)

src/testdir/test_tagcase.in

@@ -2,6 +2,7 @@ Tests for 'tagcase' option
 
 STARTTEST
 :so small.vim
+:lang mess C
 :/^start text$/+1,/^end text$/w! Xtext
 :/^start tags$/+1,/^end tags$/-1w! Xtags
 :set tags=Xtags

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    957,
 /**/
     956,
 /**/