Fix sanitizer flags and test-link sanitizer runtimes

Co-authored-by: Andrey G <networmix@gmail.com>

Author: cursoragent

CMakeLists.txt

@@ -218,11 +218,15 @@ endif()
 if(NETGRAPH_CORE_SANITIZE)
   message(STATUS "Enabling sanitizers (disables optimizations)")
   if(CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang")
-    set(SAN_FLAGS "-fsanitize=address,undefined -fno-omit-frame-pointer")
+    set(SAN_FLAGS -fsanitize=address,undefined -fno-omit-frame-pointer)
     foreach(tgt netgraph_core _netgraph_core)
       target_compile_options(${tgt} PRIVATE ${SAN_FLAGS})
       target_link_options(${tgt} PRIVATE ${SAN_FLAGS})
     endforeach()
+    if(TARGET netgraph_core_tests)
+      target_compile_options(netgraph_core_tests PRIVATE ${SAN_FLAGS})
+      target_link_options(netgraph_core_tests PRIVATE ${SAN_FLAGS})
+    endif()
   else()
     message(WARNING "NETGRAPH_CORE_SANITIZE requires GCC or Clang")
   endif()