kcov: fix typo in comment of kcov_fault_in_area

change '__santizer_cov_trace_pc()' to '__sanitizer_cov_trace_pc()'

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Wei Nanxin <[email protected]>
Cc: Andrey Konovalov <[email protected]>
Cc: Macro Elver <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

Author: Wei Nanxin

kernel/kcov.c

@@ -552,7 +552,7 @@ static int kcov_get_mode(unsigned long arg)
 
 /*
  * Fault in a lazily-faulted vmalloc area before it can be used by
- * __santizer_cov_trace_pc(), to avoid recursion issues if any code on the
+ * __sanitizer_cov_trace_pc(), to avoid recursion issues if any code on the
  * vmalloc fault handling path is instrumented.
  */
 static void kcov_fault_in_area(struct kcov *kcov)