Remove '*' from help Usage label.

Author: cyndyishida

llvm/test/tools/llvm-readtapi/command-line.test

@@ -4,7 +4,7 @@
 ; RUN: not llvm-readtapi -merge -compact %t/tmp.tbd %t/tmp2.tbd --filetype=tbd-v2 2>&1 | FileCheck %s --check-prefix FILE_FORMAT 
 
 CHECK: OVERVIEW: LLVM TAPI file reader and manipulator
-CHECK: llvm-readtapi [options]* [-arch <arch>]* <inputs> [-o <output>]*
+CHECK: USAGE: llvm-readtapi [options] [-arch <arch>]* <inputs> [-o <output>]*
 CHECK: OPTIONS:
 CHECK:   -help    display this help
 

llvm/tools/llvm-readtapi/llvm-readtapi.cpp

@@ -171,10 +171,10 @@ int main(int Argc, char **Argv) {
   opt::InputArgList Args = Tbl.parseArgs(
       Argc, Argv, OPT_UNKNOWN, Saver, [&](StringRef Msg) { reportError(Msg); });
   if (Args.hasArg(OPT_help)) {
-    Tbl.printHelp(
-        outs(),
-        "llvm-readtapi [options]* [-arch <arch>]* <inputs> [-o <output>]*",
-        "LLVM TAPI file reader and manipulator");
+    Tbl.printHelp(outs(),
+                  "USAGE: llvm-readtapi [options] [-arch <arch>]* <inputs> [-o "
+                  "<output>]*",
+                  "LLVM TAPI file reader and manipulator");
     return EXIT_SUCCESS;
   }