patch 8.2.0645: MS-Windows terminal: CTRL-C does not get to child job

Problem:    MS-Windows terminal: CTRL-C does not get to child job.
Solution:   Remove CREATE_NEW_PROCESS_GROUP from CreateProcessW(). (Nobuhiro
            Takasaki, closes #5987)
diff --git a/src/terminal.c b/src/terminal.c
index 9d9dd6a..fa18d70 100644
--- a/src/terminal.c
+++ b/src/terminal.c
@@ -6300,8 +6300,7 @@
 
     if (!CreateProcessW(NULL, cmd_wchar_copy, NULL, NULL, FALSE,
 	    EXTENDED_STARTUPINFO_PRESENT | CREATE_UNICODE_ENVIRONMENT
-	    | CREATE_SUSPENDED | CREATE_NEW_PROCESS_GROUP
-	    | CREATE_DEFAULT_ERROR_MODE,
+	    | CREATE_SUSPENDED | CREATE_DEFAULT_ERROR_MODE,
 	    env_wchar, cwd_wchar,
 	    &term->tl_siex.StartupInfo, &proc_info))
 	goto failed;