Update stub.h

Author: coolxv

src/stub.h

@@ -59,10 +59,10 @@
     // ldr pc, [pc, #-4]
     #define REPLACE_FAR(t, fn, fn_stub)\
         if ((uintptr_t)fn & 0x00000001) { \
-          *(uint16_t *)&f[0] = 0xf8df;\
-          *(uint16_t *)&f[2] = 0xf000;\
-          *(uint16_t *)&f[4] = (uint16_t)(fn_stub & 0xffff);\
-          *(uint16_t *)&f[6] = (uint16_t)(fn_stub >> 16);\
+          *(uint16_t *)&fn[0] = 0xf8df;\
+          *(uint16_t *)&fn[2] = 0xf000;\
+          *(uint16_t *)&fn[4] = (uint16_t)(fn_stub & 0xffff);\
+          *(uint16_t *)&fn[6] = (uint16_t)(fn_stub >> 16);\
         } else { \
           ((uint32_t*)fn)[0] = 0xe51ff004;\
           ((uint32_t*)fn)[1] = (uint32_t)fn_stub;\