Fixed pgm_read_ptr_aligned macro for the ESP8266 platform

See: esp8266/Arduino#5735

Author: Lauszus

version_helper.h

@@ -157,6 +157,16 @@ e-mail   :  [email protected]
 #define fprintf_P(s, ...) ((s), __VA_ARGS__)
 #endif
 
+#ifdef ESP8266
+// Workaround the following issue: https://github.com/esp8266/Arduino/pull/5735
+#undef pgm_read_ptr_aligned
+#ifdef __cplusplus
+#define pgm_read_ptr_aligned(addr) (*reinterpret_cast<const void* const*>(addr))
+#else
+#define pgm_read_ptr_aligned(addr) (*(const void* const*)(addr))
+#endif
+#endif
+
 #ifndef pgm_read_byte
 #define pgm_read_byte(addr) (*(const unsigned char *)(addr))
 #endif