Remove period at end of "optimization level is unsupported" diagnostic

llvm-svn: 195048
diff --git a/clang/test/Driver/clang_f_opts.c b/clang/test/Driver/clang_f_opts.c
index 3f3a8f6..8bf53e5 100644
--- a/clang/test/Driver/clang_f_opts.c
+++ b/clang/test/Driver/clang_f_opts.c
@@ -111,7 +111,7 @@
 // CHECK-MAX-O: -O3
 
 // RUN: %clang -S -O20 -o /dev/null %s 2>&1 | FileCheck -check-prefix=CHECK-INVALID-O %s
-// CHECK-INVALID-O: warning: optimization level '-O20' is unsupported; using '-O3' instead.
+// CHECK-INVALID-O: warning: optimization level '-O20' is unsupported; using '-O3' instead
 
 // Test that we don't error on these.
 // RUN: %clang -### -S -Werror                                                \