More header untangling.

Change-Id: I090943775cbda8d9515cdb484957f6b05d5b1799
diff --git a/libs/rs/rsPath.cpp b/libs/rs/rsPath.cpp
index c4f4978..055bb86 100644
--- a/libs/rs/rsPath.cpp
+++ b/libs/rs/rsPath.cpp
@@ -15,6 +15,7 @@
  */
 
 #include "rsContext.h"
+#include "rs.h"
 
 using namespace android;
 using namespace android::renderscript;