Fix indentation tab to space.

cmake/binaryen.cmake

 ExternalProject_Add(
-	binaryen
-	URL https://github.com/WebAssembly/binaryen/archive/version_72.zip
-	PREFIX binaryen
-	INSTALL_COMMAND ""
-	TEST_COMMAND ""
-	LOG_DOWNLOAD ON
+    binaryen
+    URL https://github.com/WebAssembly/binaryen/archive/version_72.zip
+    PREFIX binaryen
+    INSTALL_COMMAND ""
+    TEST_COMMAND ""
+    LOG_DOWNLOAD ON
+    CMAKE_ARGS -DBUILD_STATIC_LIB=1
 )
 
 ExternalProject_Get_Property(binaryen source_dir)
@@ -14,7 +15,7 @@ add_library(binaryen_wasm STATIC IMPORTED)
 add_dependencies(binaryen_wasm binaryen)
 
 set_target_properties(binaryen_wasm
-	PROPERTIES
-	IMPORTED_LOCATION ${binary_dir}/lib/libwasm.a
-	INTERFACE_INCLUDE_DIRECTORIES ${source_dir}/src
+    PROPERTIES
+    IMPORTED_LOCATION ${binary_dir}/lib/libwasm.a
+    INTERFACE_INCLUDE_DIRECTORIES ${source_dir}/src
 )