8219394: Missing FIXPATH in microbenchmark test runner

Reviewed-by: redestad
diff --git a/make/RunTests.gmk b/make/RunTests.gmk
index b42c27f..3fccf3c 100644
--- a/make/RunTests.gmk
+++ b/make/RunTests.gmk
@@ -692,7 +692,8 @@
 	$$(call LogWarn, Running test '$$($1_TEST)')
 	$$(call MakeDir, $$($1_TEST_RESULTS_DIR) $$($1_TEST_SUPPORT_DIR))
 	$$(call ExecuteWithLog, $$($1_TEST_SUPPORT_DIR)/micro, \
-	    $$($1_MICRO_TEST_JDK)/bin/java $$($1_MICRO_JAVA_OPTIONS) -jar $$($1_MICRO_BENCHMARKS_JAR) \
+	    $$(FIXPATH) $$($1_MICRO_TEST_JDK)/bin/java $$($1_MICRO_JAVA_OPTIONS) \
+	        -jar $$($1_MICRO_BENCHMARKS_JAR) \
 	        $$($1_MICRO_ITER) $$($1_MICRO_FORK) $$($1_MICRO_TIME) \
 	        $$($1_MICRO_WARMUP_ITER) $$($1_MICRO_WARMUP_TIME) \
 	        $$($1_MICRO_VM_OPTIONS) $$($1_MICRO_BASIC_OPTIONS) $$(MICRO_OPTIONS) \