openblas/fix-build.patch

Index: OpenBLAS-0.3.11/kernel/x86_64/dgemm_tcopy_16_skylakex.c
===================================================================
--- OpenBLAS-0.3.11.orig/kernel/x86_64/dgemm_tcopy_16_skylakex.c
+++ OpenBLAS-0.3.11/kernel/x86_64/dgemm_tcopy_16_skylakex.c
@@ -126,4 +126,5 @@ int CNAME(BLASLONG dim_second, BLASLONG
     }
     src1 += src_inc;
   }
+  return 0;
 }