core: Try to use DLLAPI to fix Windows link

Author: jorisv

include/eigenpy/numpy.hpp

@@ -14,7 +14,7 @@
 // For compatibility with Numpy 2.x
 // See
 // https://numpy.org/devdocs/reference/c-api/array.html#c.NPY_API_SYMBOL_ATTRIBUTE
-#define NPY_API_SYMBOL_ATTRIBUTE
+#define NPY_API_SYMBOL_ATTRIBUTE EIGENPY_DLLAPI
 
 #include <numpy/numpyconfig.h>
 #ifdef NPY_1_8_API_VERSION