MDEV-23633 fixup: Add missing semicolon

Author: dr-m

include/my_cpu.h

@@ -83,7 +83,7 @@ static inline void MY_RELAX_CPU(void)
  __ppc_get_timebase();
 #elif defined __GNUC__ && (defined __arm__ || defined __aarch64__)
  /* Mainly, prevent the compiler from optimizing away delay loops */
- __asm__ __volatile__ ("":::"memory")
+ __asm__ __volatile__ ("":::"memory");
 #else
  int32 var, oldval = 0;
  my_atomic_cas32_strong_explicit(&var, &oldval, 1, MY_MEMORY_ORDER_RELAXED,