re PR driver/45731 (Header missing for assembler option help.)

	PR driver/45731
	* gcc.c (asm_options): Correct spec matching --target-help.

From-SVN: r170091

gcc/ChangeLog

+2011-02-12  Joseph Myers  <joseph@codesourcery.com>
+
+	PR driver/45731
+	* gcc.c (asm_options): Correct spec matching --target-help.
+
 2011-02-12  Martin Jambor  <mjambor@suse.cz>
 
 	* tree-cfg.c (verify_gimple_call): Return true upon invalid argument

gcc/gcc.c

@@ -775,7 +775,7 @@ static const char *cc1_options =
  %{coverage:-fprofile-arcs -ftest-coverage}";
 
 static const char *asm_options =
-"%{--target-help:%:print-asm-header()} "
+"%{-target-help:%:print-asm-header()} "
 #if HAVE_GNU_AS
 /* If GNU AS is used, then convert -w (no warnings), -I, and -v
    to the assembler equivalents.  */