Whitespace and minor code cleanup

This is by no means comprehensive, but is quite a bit better already.

Change-Id: Ibc8654a5dfb0eec39cbd0b64bdb52bb4fbfe2f7e
diff --git a/gui/resources.cpp b/gui/resources.cpp
index 6babc57..7a50a89 100644
--- a/gui/resources.cpp
+++ b/gui/resources.cpp
@@ -143,7 +143,7 @@
 		{
 			if (ExtractResource(pZip, "images", fileName.str(), ".png", TMP_RESOURCE_NAME) != 0)
 				break;
-	
+
 			if (res_create_surface(TMP_RESOURCE_NAME, &surface))
 				break;