patch 8.1.0054: compiler warning for using %ld for "long long"

Problem:    Compiler warning for using %ld for "long long".
Solution:   Add a type cast. (closes #3002)

Author: brammool

src/os_unix.c

@@ -4199,7 +4199,7 @@ set_child_environment(
 #  ifdef FEAT_TERMINAL
     if (is_terminal)
     {
-	sprintf((char *)envbuf, "%ld",  get_vim_var_nr(VV_VERSION));
+	sprintf((char *)envbuf, "%ld",  (long)get_vim_var_nr(VV_VERSION));
 	setenv("VIM_TERMINAL", (char *)envbuf, 1);
     }
 #  endif
@@ -4227,7 +4227,7 @@ set_child_environment(
     if (is_terminal)
     {
 	vim_snprintf(envbuf_Version, sizeof(envbuf_Version),
-			       "VIM_TERMINAL=%ld", get_vim_var_nr(VV_VERSION));
+			 "VIM_TERMINAL=%ld", (long)get_vim_var_nr(VV_VERSION));
 	putenv(envbuf_Version);
     }
 #  endif

src/version.c

@@ -761,6 +761,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    54,
 /**/
     53,
 /**/