reset: trivial refactoring

After commit 3fde386 (reset [--mixed]: use diff-based reset whether or
not pathspec was given), some code can be moved to the 'reset_type ==
MIXED' check.

Let's move the code that is specific to MIXED.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

builtin/reset.c

@@ -326,8 +326,11 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
 		struct lock_file *lock = xcalloc(1, sizeof(struct lock_file));
 		int newfd = hold_locked_index(lock, 1);
 		if (reset_type == MIXED) {
+			int flags = quiet ? REFRESH_QUIET : REFRESH_IN_PORCELAIN;
 			if (read_from_tree(pathspec, sha1))
 				return 1;
+			refresh_index(&the_index, flags, NULL, NULL,
+				      _("Unstaged changes after reset:"));
 		} else {
 			int err = reset_index(sha1, reset_type, quiet);
 			if (reset_type == KEEP && !err)
@@ -336,12 +339,6 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
 				die(_("Could not reset index file to revision '%s'."), rev);
 		}
 
-		if (reset_type == MIXED) { /* Report what has not been updated. */
-			int flags = quiet ? REFRESH_QUIET : REFRESH_IN_PORCELAIN;
-			refresh_index(&the_index, flags, NULL, NULL,
-				      _("Unstaged changes after reset:"));
-		}
-
 		if (write_cache(newfd, active_cache, active_nr) ||
 		    commit_locked_index(lock))
 			die(_("Could not write new index file."));