graphics: fixed codestyle check bugs

src/anbox/dbus/skeleton/application_manager.cpp

@@ -32,7 +32,7 @@ int parse_string_from_message(sd_bus_message *m, std::string &str) {
   if (r < 0)
     return r;
 
-  const char *value;
+  const char *value = nullptr;
   r = sd_bus_message_read(m, "s", &value);
   if (r < 0)
     return r;

src/anbox/graphics/emugl/RenderThread.cpp

@@ -62,7 +62,7 @@ intptr_t RenderThread::main() {
     if (stat <= 0)
       break;
 
-    bool progress;
+    bool progress = false;
     do {
       progress = false;
 

src/anbox/graphics/emugl/Renderer.cpp

@@ -79,6 +79,7 @@ class ColorBufferHelper : public ColorBuffer::Helper {
 
   virtual TextureDraw *getTextureDraw() const { return mFb->getTextureDraw(); }
 
+  ~ColorBufferHelper() {}
  private:
   Renderer *mFb;
 };