Fix aom lib name

CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 746f2f1..69a8801 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -182,7 +182,7 @@
         if(WIN32)
             set(LIB_FILENAME "${CMAKE_CURRENT_SOURCE_DIR}/ext/aom/build.libavif/aom.lib")
         else()
-            set(LIB_FILENAME "${CMAKE_CURRENT_SOURCE_DIR}/ext/aom/build.libavif/aom.a")
+            set(LIB_FILENAME "${CMAKE_CURRENT_SOURCE_DIR}/ext/aom/build.libavif/libaom.a")
         endif()
         if(NOT EXISTS "${LIB_FILENAME}")
             message(FATAL_ERROR "libavif: ${LIB_FILENAME} is missing, bailing out")