patch 7.4.1950

Problem:    Quickfix long lines test not executed for buffer.
Solution:   Call the function to test long lines. (Yegappan Lakshmanan)

src/testdir/test_quickfix.vim

@@ -1006,6 +1006,7 @@ function s:long_lines_tests(cchar)
   " buffer
   exe 'edit' testfile
   exe 'Xbuffer' bufnr('%')
+  call XLongLinesTests(a:cchar)
 endfunction
 
 function Test_long_lines()

src/version.c

@@ -753,6 +753,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1950,
 /**/
     1949,
 /**/