[smoke] - Use FILECHECK variable in aomp-issue375 Makefile.
This test was missed in a previous patch.
@@ -5,7 +5,7 @@ TESTSRC_MAIN = aomp-issue376.c
TESTSRC_AUX =
TESTSRC_ALL = $(TESTSRC_MAIN) $(TESTSRC_AUX)
-RUNCMD = ./$(TESTNAME) | $(AOMP)/bin/FileCheck $(TESTSRC_MAIN)
+RUNCMD = ./$(TESTNAME) | $(FILECHECK) $(TESTSRC_MAIN)
CLANG = clang
OMP_BIN = $(AOMP)/bin/$(CLANG)
