Update libunwind/src/CMakeLists.txt

Fix typo

Co-authored-by: Petr Hosek <[email protected]>

Author: ilovepi

libunwind/src/CMakeLists.txt

@@ -22,7 +22,7 @@ set_source_files_properties(${LIBUNWIND_C_SOURCES}
                             PROPERTIES
                               # We need to set `-fexceptions` here so that key
                               # unwinding functions, like
-                              # _UNWIND_RaiseExcpetion, are not marked as
+                              # _UNWIND_RaiseException, are not marked as
                               # `nounwind`, which breaks LTO builds of
                               # libunwind.  See #56825 and #120657 for context.
                               COMPILE_FLAGS "-std=c99 -fexceptions")