ext/RMagick/rmutil.c in rmagick-2.16.0 vs ext/RMagick/rmutil.c in rmagick-3.0.0

@@ -1443,10 +1443,11 @@
     const char *tag,
     const MagickOffsetType of,
     const MagickSizeType sp,
     void *client_data)
 {
+#if !defined(_WIN32)
     VALUE rval;
     VALUE method, offset, span;
 
     tag = tag;      // defeat gcc message
 
@@ -1466,9 +1467,12 @@
     RB_GC_GUARD(method);
     RB_GC_GUARD(offset);
     RB_GC_GUARD(span);
 
     return RTEST(rval) ? MagickTrue : MagickFalse;
+#else
+    return MagickTrue;
+#endif
 }
 
 
 /**
  * Remove the ImageMagick links between images in an scene sequence.