[libunwind][NFC] Fix typo in comment

GitOrigin-RevId: e8dac8b3dbe7a31af291032f1f3e95e789200590
diff --git a/src/UnwindCursor.hpp b/src/UnwindCursor.hpp
index f346c72..48902ea 100644
--- a/src/UnwindCursor.hpp
+++ b/src/UnwindCursor.hpp
@@ -1759,7 +1759,7 @@
     }
   }
 
-  // extact personality routine, if encoding says function has one
+  // extract personality routine, if encoding says function has one
   uint32_t personalityIndex = (encoding & UNWIND_PERSONALITY_MASK) >>
                               (__builtin_ctz(UNWIND_PERSONALITY_MASK));
   if (personalityIndex != 0) {