cmake: reset check state before testing -fobjc-arc

CMakeLists.txt

@@ -2973,8 +2973,10 @@ if(ANDROID)
 endif()
 
 if(APPLE)
-  check_c_compiler_flag(-fobjc-arc COMPILER_SUPPORTS_-fobjc-arc)
-  if(NOT COMPILER_SUPPORTS_-fobjc-arc)
+  cmake_push_check_state(RESET)
+  check_c_compiler_flag(-fobjc-arc COMPILER_SUPPORTS_FOBJC_ARC)
+  cmake_pop_check_state()
+  if(NOT COMPILER_SUPPORTS_FOBJC_ARC)
     message(FATAL_ERROR "Compiler does not support -fobjc-arc: this is required on Apple platforms")
   endif()
   sdl_compile_options(PRIVATE "-fobjc-arc")