Update lib/SwiftSyntax/CMakeLists.txt

Co-authored-by: Evan Wilde <[email protected]>

Author: rintaro

lib/SwiftSyntax/CMakeLists.txt

@@ -26,7 +26,7 @@ FetchContent_MakeAvailable(SwiftSyntax)
 
 # FIXME: Use FetchContent_Declare's EXCLUDE_FROM_ALL after CMake 3.28
 FetchContent_GetProperties(SwiftSyntax BINARY_DIR binary_dir)
-set_propertY(DIRECTORY "${binary_dir}" PROPERTY EXCLUDE_FROM_ALL TRUE)
+set_property(DIRECTORY "${binary_dir}" PROPERTY EXCLUDE_FROM_ALL TRUE)
 
 # Install swift-syntax libraries.
 set(SWIFT_SYNTAX_MODULES