patch 8.1.1257: MSVC: name of object directory now always right

Problem:    MSVC: name of object directory now always right.
Solution:   Adjust comment.  Don't use different directory for DIRECTX.  Do
            use different directory for USE_MSVCRT. (Ken Takata, closes #4333)

src/Make_mvc.mak

@@ -192,8 +192,7 @@ GUI = yes
 DIRECTX = $(GUI)
 !endif
 
-# Select one of eight object code directories, depends on GUI, OLE, DEBUG and
+# Select a code directory, depends on GUI, OLE, DEBUG, interfaces and etc.
-# interfaces.
 # If you change something else, do "make clean" first!
 !if "$(VIMDLL)" == "yes"
 OBJDIR = .\ObjD
@@ -202,7 +201,7 @@ OBJDIR = .\ObjG
 !else
 OBJDIR = .\ObjC
 !endif
-!if "$(DIRECTX)" == "yes"
+!if "$(DIRECTX)" == "yes" && "$(GUI)" == "yes"
 OBJDIR = $(OBJDIR)X
 !endif
 !if "$(OLE)" == "yes"
@@ -229,6 +228,9 @@ OBJDIR = $(OBJDIR)R
 !ifdef MZSCHEME
 OBJDIR = $(OBJDIR)Z
 !endif
+!ifdef USE_MSVCRT
+OBJDIR = $(OBJDIR)V
+!endif
 !if "$(DEBUG)" == "yes"
 OBJDIR = $(OBJDIR)d
 !endif

src/version.c

@@ -767,6 +767,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1257,
 /**/
     1256,
 /**/