Fix compiler warning.

DSTAT/src/settings.c

@@ -74,7 +74,7 @@ void settings_read_eeprom(void){
 }
 
 void settings_write_eeprom(void){
-    nvm_eeprom_load_page_to_buffer(&settings);
+    nvm_eeprom_load_page_to_buffer((uint8_t*)&settings);
     nvm_eeprom_atomic_write_page(SETTINGS_EEPROM_OFFSET_ADDR);
 }