Fix for tests on Windows buildbot

Author: brad0

clang/test/Driver/netbsd.c

@@ -483,4 +483,4 @@
 // RUN:   | FileCheck %s --check-prefix=DRIVER-PASS-INCLUDES
 // DRIVER-PASS-INCLUDES:      "-cc1" {{.*}}"-resource-dir" "[[RESOURCE:[^"]+]]"
 // DRIVER-PASS-INCLUDES-SAME: {{^}} "-internal-isystem" "[[RESOURCE]]{{/|\\\\}}include"
-// DRIVER-PASS-INCLUDES-SAME: {{^}} "-internal-externc-isystem" "/usr/include"
+// DRIVER-PASS-INCLUDES-SAME: {{^}} "-internal-externc-isystem" "{{.*}}/usr/include"

clang/test/Driver/netbsd.cpp

@@ -345,4 +345,4 @@
 // RUN:   | FileCheck %s --check-prefix=DRIVER-PASS-INCLUDES
 // DRIVER-PASS-INCLUDES:      "-cc1" {{.*}}"-resource-dir" "[[RESOURCE:[^"]+]]"
 // DRIVER-PASS-INCLUDES:      "-internal-isystem" "[[RESOURCE]]{{/|\\\\}}include"
-// DRIVER-PASS-INCLUDES:      "-internal-externc-isystem" "/usr/include"
+// DRIVER-PASS-INCLUDES:      "-internal-externc-isystem" "{{.*}}/usr/include"