vim-patch:7.4.1977

Problem:    With 64 bit changes don't need three calls to sprintf().
Solution:   Simplify the code, use vim_snprintf(). (Ken Takata)

bde9810d61

nvim already had the equivalent code, so only the patch number was
needed.

src/nvim/version.c

@@ -467,7 +467,7 @@ static const int included_patches[] = {
   1980,
   // 1979,
   // 1978,
-  // 1977,
+  1977,
   1976,
   1975,
   // 1974 NA