Fix #79

src/dfmt.d

@@ -438,7 +438,8 @@ private:
                 {
                     indentLevel++;
                     writeToken();
-                    newline();
+                    if (!currentIs(tok!"{"))
+                        newline();
                 }
                 else if (peekBackIs(tok!"identifier") && (index <= 1
                     || peekBack2Is(tok!"{", true) || peekBack2Is(tok!"}", true)

tests/issue0079.d

@@ -0,0 +1,11 @@
+unittest
+{
+	switch (x)
+	{
+	case a:
+		{
+		}
+	case b:
+		return;
+	}
+}

tests/issue0079.d.ref

@@ -0,0 +1,11 @@
+unittest
+{
+    switch (x)
+    {
+    case a:
+        {
+        }
+    case b:
+        return;
+    }
+}