whisper : fix build with -Werror=undef (#1045)

diff --git a/whisper.cpp b/whisper.cpp
index 65c57f7d0d5d5ead4688c9f91afa94cfb2e29f7d..74cfd7b2406c8e26b3fd0fe999a625674121eccb 100644 (file)
--- a/whisper.cpp
+++ b/whisper.cpp
@@ -1,5 +1,5 @@
 #include "whisper.h"
-#if WHISPER_USE_COREML
+#ifdef WHISPER_USE_COREML
 #include "coreml/whisper-encoder.h"
 #endif