Fix Eluna logging by defining ENABLE_ELUNA (#179)

The definition should be included in all projects or every project that uses it

src/mangosd/CMakeLists.txt

@@ -66,6 +66,11 @@ target_include_directories(mangosd
         ${OPENSSL_INCLUDE_DIR}
 )
 
+target_compile_definitions(mangosd
+    PUBLIC
+        $<$<BOOL:${SCRIPT_LIB_ELUNA}>:ENABLE_ELUNA>
+)
+
 target_link_libraries(mangosd
     PUBLIC
         game

src/shared/CMakeLists.txt

@@ -226,6 +226,7 @@ target_compile_definitions(shared
         $<$<CONFIG:Debug>:MANGOS_DEBUG>
         MANGOS_ENDIAN=${ENDIAN_VALUE}
         $<$<BOOL:${ENDIAN_VALUE}>:ARCH_IS_BIG_ENDIAN>
+        $<$<BOOL:${SCRIPT_LIB_ELUNA}>:ENABLE_ELUNA>
 )
 
 target_link_libraries(shared