LoongArch: Fixed a typo in the comment information of the function loongarch_asan_shadow_offset.

gcc/ChangeLog:

	* config/loongarch/loongarch.cc (loongarch_asan_shadow_offset):
	Fixed typo in "asan_mapping.h".
diff --git a/gcc/config/loongarch/loongarch.cc b/gcc/config/loongarch/loongarch.cc
index 98c0e26..e9ba337 100644
--- a/gcc/config/loongarch/loongarch.cc
+++ b/gcc/config/loongarch/loongarch.cc
@@ -6472,7 +6472,7 @@
 loongarch_asan_shadow_offset (void)
 {
   /* We only have libsanitizer support for LOONGARCH64 at present.
-     This value is taken from the file libsanitizer/asan/asan_mappint.h.  */
+     This value is taken from the file libsanitizer/asan/asan_mapping.h.  */
   return TARGET_64BIT ? (HOST_WIDE_INT_1 << 46) : 0;
 }