cmake move libyuv_unittest target into the if(TEST) condition

CMakeLists.txt

Index: CMakeLists.txt
diff --git a/CMakeLists.txt b/CMakeLists.txt
index f74c05f6b7a611ada2b82553d79b4c1b9c236655..718b47ad32e1eb319749d12e9c4fafca214c0e42 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -128,14 +128,15 @@ if(TEST)
   if (JPEG_FOUND)
     target_link_libraries(libyuv_unittest ${JPEG_LIBRARY})
   endif()
-endif()
+  
+  if(NACL AND NACL_LIBC STREQUAL "newlib")
+    target_link_libraries(libyuv_unittest glibc-compat)
+  endif()
 
-if(NACL AND NACL_LIBC STREQUAL "newlib")
-  target_link_libraries(libyuv_unittest glibc-compat)
+  target_link_libraries(libyuv_unittest gflags)
+  
 endif()
 
-target_link_libraries(libyuv_unittest gflags)
-
 install(TARGETS ${ly_lib_name} DESTINATION lib)
 install(FILES ${ly_header_files} DESTINATION include/libyuv)
 install(FILES ${ly_inc_dir}/libyuv.h DESTINATION include/)