Fix OpenGL errors in various places.

Change-Id: I3a4e115d8fb13b6c443e65460d92987b16f2524c
diff --git a/libs/hwui/Caches.h b/libs/hwui/Caches.h
index 9c67885..5ef66f3 100644
--- a/libs/hwui/Caches.h
+++ b/libs/hwui/Caches.h
@@ -31,6 +31,7 @@
 #include "ProgramCache.h"
 #include "PathCache.h"
 #include "TextDropShadowCache.h"
+#include "Line.h"
 
 namespace android {
 namespace uirenderer {
@@ -64,6 +65,8 @@
     PatchCache patchCache;
     TextDropShadowCache dropShadowCache;
     GammaFontRenderer fontRenderer;
+
+    Line line;
 }; // class Caches
 
 }; // namespace uirenderer