[LowerMatrixIntrinsics] multiply-minimal.ll - use -passes="..." to allow DOS to correctly evaluate the RUN command

Necessary for running update_test_checks.py on windows

Author: RKSimon

llvm/test/Transforms/LowerMatrixIntrinsics/multiply-minimal.ll

@@ -1,5 +1,5 @@
 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt -passes='lower-matrix-intrinsics<minimal>,instcombine,verify<domtree>' -fuse-matrix-tile-size=2 -matrix-allow-contract -force-fuse-matrix %s -S | FileCheck %s
+; RUN: opt -passes="lower-matrix-intrinsics<minimal>,instcombine,verify<domtree>" -fuse-matrix-tile-size=2 -matrix-allow-contract -force-fuse-matrix %s -S | FileCheck %s
 
 ; Test for the minimal version of the matrix lowering pass, which does not
 ; require DT or AA. Make sure no tiling is happening, even though it was