fix: fix boost file check

Author: Bambooin

app/src/main/jni/cmake/Boost.cmake

@@ -4,7 +4,7 @@
 
 set(BOOST_VER 1.85.0)
 
-if(NOT EXISTS "boost-${BOOST_VER}-cmake.tar.xz")
+if(NOT EXISTS "boost-${BOOST_VER}.tar.xz")
   message(STATUS "Downloading Boost ${BOOST_VER} ......")
   file(
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