tests: Don't build memory unit tests on Windows

It looks like on Windows, unit tests can only access methods exposed via
the LLAMA_API export. The test-memory.cpp tests are accessing internal APIs
intentionally, so don't build on Windows.

Branch: HybridCache

Signed-off-by: Gabe Goodhart <ghart@us.ibm.com>

Author: gabe-l-hart

tests/CMakeLists.txt

@@ -108,6 +108,7 @@ if (NOT WIN32)
     llama_build_and_test(test-grammar-integration.cpp)
     llama_build_and_test(test-llama-grammar.cpp)
     llama_build_and_test(test-chat.cpp)
+    llama_build_and_test(test-memory.cpp)
     # TODO: disabled on loongarch64 because the ggml-ci node lacks Python 3.8
     if (NOT ${CMAKE_SYSTEM_PROCESSOR} MATCHES "loongarch64")
         llama_build_and_test(test-json-schema-to-grammar.cpp   WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/..)
@@ -145,7 +146,6 @@ endif()
 llama_build_and_test(test-log.cpp)
 llama_build_and_test(test-chat-template.cpp)
 llama_build_and_test(test-regex-partial.cpp)
-llama_build_and_test(test-memory.cpp)
 
 # this fails on windows (github hosted runner) due to curl DLL not found (exit code 0xc0000135)
 if (NOT WIN32)