Merge pull request #503 from orrmany/fix-issue502

Fix issue502

Author: hathach

cores/nRF5/avr/pgmspace.h

@@ -102,7 +102,7 @@ typedef const void* uint_farptr_t;
 #define pgm_read_word(addr) (*(const unsigned short *)(addr))
 #define pgm_read_dword(addr) (*(const unsigned long *)(addr))
 #define pgm_read_float(addr) (*(const float *)(addr))
-#define pgm_read_ptr(addr) (*(const void *)(addr))
+#define pgm_read_ptr(addr) (*(const void* *)(addr))
 
 #define pgm_read_byte_near(addr) pgm_read_byte(addr)
 #define pgm_read_word_near(addr) pgm_read_word(addr)