BR 3392529: remove excess printf() argument

The input file is provided by nasm_error(), we should not include it
in the printf list (compiler warning + wrong message.)

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

asm/nasm.c

@@ -520,7 +520,7 @@ int main(int argc, char **argv)
             outname = "nasm.out";
             nasm_error(ERR_WARNING,
                        "default output file same as input, using `%s' for output\n",
-                       inname, outname);
+                       outname);
         }
     }