Disable zdotu test on Windows/MSVC for now

utest/test_dotu.c

@@ -36,6 +36,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 CTEST( zdotu,zdotu_n_1)
 {
+#ifndef RETURN_BY_STACK	
 	blasint N=1,incX=1,incY=1;
 	double x1[]={1.0,1.0};
 	double y1[]={1.0,2.0};
@@ -78,4 +79,6 @@ CTEST(zdotu, zdotu_offset_1)
 	ASSERT_DBL_NEAR_TOL(creal(result1), creal(result2), DOUBLE_EPS);
 	ASSERT_DBL_NEAR_TOL(cimag(result1), cimag(result2), DOUBLE_EPS);
 #endif
+
+#endif
 }