Fix egl cleanup code on context teardown.
diff --git a/libs/rs/rsContext.h b/libs/rs/rsContext.h
index 0dd90ed..c80fd5a 100644
--- a/libs/rs/rsContext.h
+++ b/libs/rs/rsContext.h
@@ -54,6 +54,7 @@
 
     static pthread_key_t gThreadTLSKey;
     static uint32_t gThreadTLSKeyCount;
+    static uint32_t gGLContextCount;
     static pthread_mutex_t gInitMutex;
 
     struct ScriptTLSStruct {
@@ -215,6 +216,7 @@
     Context();
 
     void initEGL();
+    void deinitEGL();
 
     bool runRootScript();