Fix #56

src/dfmt.d

@@ -659,17 +659,15 @@ private:
                     writeToken();
                 }
                 else
+                {
+                    if (index > 0 && !justAddedExtraNewline && !peekBackIs(tok!"{") && !peekBackIs(tok!"}"))
                     {
                         if (config.braceStyle == BraceStyle.otbs)
-                    {
                             write(" ");
-                        write("{");
-                    }
                         else
-                    {
                             newline();
-                        write("{");
                     }
+                    write("{");
                     indentLevel++;
                     index++;
                     newline();

tests/issue0056.d

@@ -0,0 +1 @@
+{{{}}{}}

tests/issue0056.d.ref

@@ -0,0 +1,8 @@
+{
+    {
+        {
+        }
+    }
+    {
+    }
+}