Fix corner case in C indentation

rc/core/c-family.kak

@@ -40,7 +40,7 @@ def -hidden c-family-indent-on-newline %[ eval -draft -itersel %[
     # remove previous empty lines resulting from the automatic indent
     try %[ exec -draft k <a-x> <a-k>^\h+$<ret> Hd ]
     # indent after an opening brace
-    try %[ exec -draft K s\{\h*$<ret> j <a-gt> ]
+    try %[ exec -draft k <a-x> s\{\h*$<ret> j <a-gt> ]
     # indent after a label
     try %[ exec -draft k <a-x> s[a-zA-Z0-9_-]+:\h*$<ret> j <a-gt> ]
     # indent after a statement not followed by an opening brace

test/indent/c-family/move-brace/cmd

@@ -0,0 +1 @@
+i<ret><esc>

test/indent/c-family/move-brace/in

@@ -0,0 +1,3 @@
+namespace A
+%({)
+struct B;

test/indent/c-family/move-brace/out

@@ -0,0 +1,4 @@
+namespace A
+
+{
+struct B;

test/indent/c-family/move-brace/rc

@@ -0,0 +1,3 @@
+source "%val{runtime}/colors/default.kak"
+source "%val{runtime}/rc/core/c-family.kak"
+set buffer filetype cpp